﻿/*----------------------------------------本js有代码改动，请勿用新版本直接覆盖---------------------------------------------------------*/
/*!
FullCalendar v5.5.0
Docs & License: https://fullcalendar.io/
(c) 2020 Adam Shaw
*/

// 节气节假日以及农历信息的库-s

;(function () {
  var DB = {
    digitCN: ['零', '一', '二', '三', '四', '五', '六', '七', '八', '九', '十'],
    heavenlyStems: ['甲', '乙', '丙', '丁', '戊', '己', '庚', '辛', '壬', '癸'],
    earthlyBranches: ['子', '丑', '寅', '卯', '辰', '巳', '午', '未', '申', '酉', '戌', '亥'],
    chineseZodiac: ['鼠', '牛', '虎', '兔', '龙', '蛇', '马', '羊', '猴', '鸡', '狗', '猪'],
    term: [
      '冬至',
      '小寒',
      '大寒',
      '立春',
      '雨水',
      '惊蛰',
      '春分',
      '清明',
      '谷雨',
      '立夏',
      '小满',
      '芒种',
      '夏至',
      '小暑',
      '大暑',
      '立秋',
      '处暑',
      '白露',
      '秋分',
      '寒露',
      '霜降',
      '立冬',
      '小雪',
      '大雪',
    ],
    monthCn: ['十一', '十二', '正', '二', '三', '四', '五', '六', '七', '八', '九', '十'],
    dateCn: [
      '初一',
      '初二',
      '初三',
      '初四',
      '初五',
      '初六',
      '初七',
      '初八',
      '初九',
      '初十',
      '十一',
      '十二',
      '十三',
      '十四',
      '十五',
      '十六',
      '十七',
      '十八',
      '十九',
      '二十',
      '廿一',
      '廿二',
      '廿三',
      '廿四',
      '廿五',
      '廿六',
      '廿七',
      '廿八',
      '廿九',
      '三十',
      '卅一',
    ],
  }
  function lunar(oDate) {
    var d = new Date(oDate)
    if (+d < -10233222336000) {
      return null
    }
    return new Lunar(d)
  }
  function Lunar(oDate) {
    this.oDate = oDate
    this.julianDay = JulianDay.fromDate(this.oDate)
    this.cnDay = this.oDate.getDay() ? DB.digitCN[this.oDate.getDay()] : '日'
    var mjd = this.julianDay - JulianDay.JD2000
    var arTerm = Term.getTerms(mjd)
    var arNewMoon = NewMoon.getNewMoons(arTerm)
    for (var days = Math.round(mjd - arNewMoon[0].JD), i = 0, o; i < arNewMoon.length; i++) {
      o = arNewMoon[i]
      if (days < o.days) {
        this.isBigMonth = o.days == 30
        this.isLeap = o.isLeap
        this.lMonth = o.name
        this.lNextMonth = o.nextName
        this.lDate = DB.dateCn[days]
        this.dateIndex = days
        break
      } else {
        days -= o.days
      }
    }
    mjd = Math.round(mjd)
    this.lYear = Math.floor((arTerm[3].JD + (mjd < arTerm[3].JD ? -365 : 0) + 365.25 * 16 - 35) / 365.2422 + 0.5)
    var t = arNewMoon[arNewMoon.zyIndex].JD
    t -= mjd < t ? 365 : 0
    t += 5810
    this.sYear = Math.floor(t / 365.2422 + 0.5)
    this.hYear = this.sYear + 1984 + 2698
    var t = arTerm.hash[mjd]
    this.term = t ? t.name : ''
    var t = this.lYear + 6000
    this.animal = DB.chineseZodiac[t % 12]
    this.gzYear = DB.heavenlyStems[t % 10] + DB.earthlyBranches[t % 12]
    var t = Math.floor((mjd - arTerm[0].JD) / 30.43685)
    t < 12 && mjd >= arTerm[2 * t + 1].JD && t++
    t += Math.floor((arTerm[12].JD + 390) / 365.2422) * 12 + 900000
    this.gzMonth = DB.heavenlyStems[t % 10] + DB.earthlyBranches[t % 12]
    var t = mjd - 6 + 9000000
    this.gzDate = DB.heavenlyStems[t % 10] + DB.earthlyBranches[t % 12]
    this.gzChrono = DB.earthlyBranches[Math.floor((this.oDate.getHours() + 1) / 2)] || '子'
  }
  var NewMoon = {
    correction: unzip(
      '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'
    ),
    calcForLow: function (W) {
      var v = 7771.37714500204,
        t = (W + 1.08472) / v,
        L
      t -=
        (-0.0000331 * t * t + 0.10976 * Math.cos(0.785 + 8328.6914 * t) + 0.02224 * Math.cos(0.187 + 7214.0629 * t) - 0.03342 * Math.cos(4.669 + 628.3076 * t)) / v +
        (32 * (t + 1.8) * (t + 1.8) - 20) / 86400 / 36525
      return t * 36525 + 8 / 24
    },
    calcForHigh: function (W) {
      var t = XL.MS_aLon_t2(W) * 36525
      t = t - dt_T(t) + 8 / 24
      var v = ((t + 0.5) % 1) * 86400
      if (v < 1800 || v > 86400 - 1800) t = XL.MS_aLon_t(W) * 36525 - dt_T(t) + 8 / 24
      return t
    },
    cache: {},
    getNewMoons: function (terms) {
      var jd = terms[0].JD,
        firstDay = NewMoon.calc(jd),
        ar = []
      if (firstDay > jd) {
        firstDay -= 29.53
      }
      if (NewMoon.cache[firstDay]) {
        ar = NewMoon.cache[firstDay]
      } else {
        for (var i = 0; i < 15; i++) {
          ar.push({
            JD: NewMoon.calc(firstDay + 29.5306 * i),
            index: i,
          })
          if (i) {
            ar[i - 1].days = ar[i].JD - ar[i - 1].JD
          }
        }
        if (ar[13].JD <= terms[24].JD) {
          for (i = 1; ar[i + 1].JD > terms[2 * i].JD && i < 13; i++) {}
          ar[i].isLeap = true
          for (; i < 14; i++) {
            ar[i].index--
          }
        }
        for (i = 0; i < 14; i++) {
          ar[i].name = (ar[i].isLeap ? '闰' : '') + DB.monthCn[ar[i].index % 12]
          ar[i].nextName = (ar[i + 1].isLeap ? '闰' : '') + DB.monthCn[ar[i + 1].index % 12]
          if (ar[i].index == 2) {
            ar.zyIndex = i
          }
        }
        NewMoon.cache[firstDay] = ar
      }
      return ar
    },
    calc: function (jd) {
      jd += JulianDay.JD2000
      var D,
        n,
        pc = 14,
        JDstart = 1947168.0,
        JD1960 = 2436935
      if (jd >= JD1960) {
        return Math.floor(this.calcForHigh(Math.floor((jd + pc - 2451551) / 29.5306) * Math.PI * 2) + 0.5)
      }
      if (jd >= JDstart && jd < JD1960) {
        D = Math.floor(this.calcForLow(Math.floor((jd + pc - 2451551) / 29.5306) * Math.PI * 2) + 0.5)
        n = this.correction.substr(Math.floor((jd - JDstart) / 29.5306), 1) - 0
        return D + (n ? n - 2 : n)
      }
    },
  }
  var Term = {
    correction: unzip(
      'FrcFs11AFsckF1tsDtFqEtF3posFdFgiFseFtmelpsEfhkF1anmelpFlF3ikrotcnEqEq1FfqmcDsrFor11FgFrcgDscFs11FgEeFtE1sfFs11sCoEsaF1tsD3FpeE1eFsssEciFsFnmelpFcFhkF1tcnEqEpFgkrotcnEqrEtFermcDsrE111FgBmcmr11DaEfnaF111sD3FpeForeF1tssEfiFpEoeFssD3iFstEqFppDgFstcnEqEpFg33FscnEqrAoAF1ClAEsDmDtCtBaDlAFbAEpAAAAAD1FgBiBqoBbnBaBoAAAAAAAEgDqAdBqAFrBaBoACdAAf3AACgAAAeBbCamDgEifAE1AABa3C3BgFdiAAACoCeE3ADiEifDaAEqAAFe3AcFbcAAAAAF3iFaAAACpACmFmAAAAAAAACrDaAAADG0'
    ),
    calcForLow: function (W) {
      var t,
        L,
        v = 628.3319653318
      t = (W - 4.895062166) / v
      t -= (53 * t * t + 334116 * Math.cos(4.67 + 628.307585 * t) + 2061 * Math.cos(2.678 + 628.3076 * t) * t) / v / 10000000
      L =
        48950621.66 +
        6283319653.318 * t +
        53 * t * t +
        334166 * Math.cos(4.669257 + 628.307585 * t) +
        3489 * Math.cos(4.6261 + 1256.61517 * t) +
        2060.6 * Math.cos(2.67823 + 628.307585 * t) * t -
        994 -
        834 * Math.sin(2.1824 - 33.75705 * t)
      t -= (L / 10000000 - W) / 628.332 + (32 * (t + 1.8) * (t + 1.8) - 20) / 86400 / 36525
      return t * 36525 + 8 / 24
    },
    getNearestWinter: function (jd) {
      var winterDay = Math.floor((jd - 355 + 183) / 365.2422) * 365.2422 + 355
      Term.calc(winterDay) > jd && (winterDay -= 365.2422)
      return winterDay
    },
    cache: {},
    getTerms: function (jd) {
      var winterDay = Term.getNearestWinter(jd),
        ar = []
      if (Term.cache[winterDay]) {
        ar = Term.cache[winterDay]
      } else {
        ar.hash = {}
        for (var i = 0, o; i < 25; i++) {
          o = {
            JD: Term.calc(winterDay + 15.2184 * i),
            name: DB.term[i % 24],
          }
          ar.push(o)
          ar.hash[o.JD] = o
        }
        Term.cache[winterDay] = ar
      }
      return ar
    },
    calcForHigh: function (W) {
      var t = XL.S_aLon_t2(W) * 36525
      t = t - dt_T(t) + 8 / 24
      var v = ((t + 0.5) % 1) * 86400
      if (v < 1200 || v > 86400 - 1200) {
        t = XL.S_aLon_t(W) * 36525 - dt_T(t) + 8 / 24
      }
      return t
    },
    calc: function (jd) {
      jd += JulianDay.JD2000
      var i,
        D,
        n,
        pc = 7,
        JDstart = 2322147.76,
        JD1960 = 2436935
      if (jd >= JD1960) {
        return Math.floor(this.calcForHigh((Math.floor(((jd + pc - 2451259) / 365.2422) * 24) * Math.PI) / 12) + 0.5)
      }
      if (jd >= JDstart && jd < JD1960) {
        D = Math.floor(this.calcForLow((Math.floor(((jd + pc - 2451259) / 365.2422) * 24) * Math.PI) / 12) + 0.5)
        n = this.correction.substr(Math.floor(((jd - JDstart) / 365.2422) * 24), 1) - 0
        return D + (n ? n - 2 : n)
      }
    },
  }
  var JulianDay = {
    JD2000: 2451545,
    fromDate: function (oDate) {
      var y = oDate.getFullYear(),
        m = oDate.getMonth() + 1,
        d = oDate.getDate() + ((oDate.getSeconds() / 60 + oDate.getMinutes()) / 60 + oDate.getHours()) / 24
      var isGregory = y * 372 + m * 31 + Math.floor(d) >= 588829,
        numLeap = 0
      if (m <= 2) {
        m += 12
        y -= 1
      }
      if (isGregory) {
        numLeap = Math.floor(y / 100)
        numLeap = 2 - numLeap + Math.floor(numLeap / 4)
      }
      return Math.floor(365.25 * (y + 4716)) + Math.floor(30.6001 * (m + 1)) + d + numLeap - 1524.5
    },
  }
  var XL0_xzb = [
    -0.08631, +0.00039, -0.00008, -0.07447, +0.00006, +0.00017, -0.07135, -0.00026, -0.00176, -0.20239, +0.00273, -0.00347, -0.25486, +0.00276, +0.42926, +0.24588, +0.00345, -14.46266, -0.95116,
    +0.02481, +58.30651,
  ]
  var XL0 = new Array(
    new Array(
      10000000000,
      20,
      578,
      920,
      1100,
      1124,
      1136,
      1148,
      1217,
      1226,
      1229,
      1229,
      1229,
      1229,
      1937,
      2363,
      2618,
      2633,
      2660,
      2666,
      17534704567,
      0.0,
      0.0,
      334165646,
      4.669256804,
      6283.075849991,
      3489428,
      4.6261024,
      12566.1517,
      349706,
      2.744118,
      5753.384885,
      341757,
      2.828866,
      3.523118,
      313590,
      3.62767,
      77713.771468,
      267622,
      4.418084,
      7860.419392,
      234269,
      6.135162,
      3930.209696,
      132429,
      0.742464,
      11506.76977,
      127317,
      2.037097,
      529.690965,
      119917,
      1.109629,
      1577.343542,
      99025,
      5.23268,
      5884.92685,
      90186,
      2.04505,
      26.29832,
      85722,
      3.50849,
      398.149,
      77979,
      1.17883,
      5223.69392,
      75314,
      2.53339,
      5507.55324,
      50526,
      4.58293,
      18849.22755,
      49238,
      4.20507,
      775.52261,
      35666,
      2.91954,
      0.06731,
      31709,
      5.84902,
      11790.62909,
      28413,
      1.89869,
      796.29801,
      27104,
      0.31489,
      10977.0788,
      24281,
      0.34481,
      5486.77784,
      20616,
      4.80647,
      2544.31442,
      20539,
      1.86948,
      5573.1428,
      20226,
      2.45768,
      6069.77675,
      15552,
      0.83306,
      213.2991,
      13221,
      3.41118,
      2942.46342,
      12618,
      1.08303,
      20.7754,
      11513,
      0.64545,
      0.98032,
      10285,
      0.636,
      4694.00295,
      10190,
      0.97569,
      15720.83878,
      10172,
      4.2668,
      7.11355,
      9921,
      6.2099,
      2146.1654,
      9761,
      0.681,
      155.4204,
      8580,
      5.9832,
      161000.6857,
      8513,
      1.2987,
      6275.9623,
      8471,
      3.6708,
      71430.6956,
      7964,
      1.8079,
      17260.1547,
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      3.037,
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      7465,
      1.7551,
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      7387,
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      3154.6871,
      7355,
      4.6793,
      801.8209,
      6963,
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      9437.7629,
      6245,
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      8827.3903,
      6115,
      1.8184,
      7084.8968,
      5696,
      2.7843,
      6286.599,
      5612,
      4.3869,
      14143.4952,
      5558,
      3.4701,
      6279.5527,
      5199,
      0.1891,
      12139.5535,
      5161,
      1.3328,
      1748.0164,
      5115,
      0.2831,
      5856.4777,
      4900,
      0.4874,
      1194.447,
      4104,
      5.3682,
      8429.2413,
      4094,
      2.3985,
      19651.0485,
      3920,
      6.1683,
      10447.3878,
      3677,
      6.0413,
      10213.2855,
      3660,
      2.5696,
      1059.3819,
      3595,
      1.7088,
      2352.8662,
      3557,
      1.776,
      6812.7668,
      3329,
      0.5931,
      17789.8456,
      3041,
      0.4429,
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      3005,
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      1349.8674,
      2535,
      3.1647,
      4690.4798,
      2474,
      0.2148,
      3.5904,
      2366,
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      8031.0923,
      2357,
      2.0653,
      3340.6124,
      2282,
      5.222,
      4705.7323,
      2189,
      5.5559,
      553.5694,
      2142,
      1.4256,
      16730.4637,
      2109,
      4.1483,
      951.7184,
      2030,
      0.3713,
      283.8593,
      1992,
      5.2221,
      12168.0027,
      1986,
      5.7747,
      6309.3742,
      1912,
      3.8222,
      23581.2582,
      1889,
      5.3863,
      149854.4001,
      1790,
      2.2149,
      13367.9726,
      1748,
      4.5605,
      135.0651,
      1622,
      5.9884,
      11769.8537,
      1508,
      4.1957,
      6256.7775,
      1442,
      4.1932,
      242.7286,
      1435,
      3.7236,
      38.0277,
      1397,
      4.4014,
      6681.2249,
      1362,
      1.8893,
      7632.9433,
      1250,
      1.1305,
      5.5229,
      1205,
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      955.5997,
      1200,
      1.0035,
      632.7837,
      1129,
      0.1774,
      4164.312,
      1083,
      0.3273,
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      1052,
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      11926.2544,
      1050,
      5.3591,
      1592.596,
      1033,
      6.1998,
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      1001,
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      5746.2713,
      980,
      0.999,
      11371.705,
      980,
      5.244,
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      938,
      2.624,
      5760.498,
      923,
      0.483,
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      922,
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      4292.331,
      905,
      5.337,
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      862,
      4.165,
      7058.598,
      841,
      3.299,
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      836,
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      25132.303,
      813,
      6.112,
      4732.031,
      812,
      6.271,
      426.598,
      801,
      5.821,
      28.449,
      787,
      0.996,
      5643.179,
      776,
      2.957,
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      769,
      3.121,
      7238.676,
      758,
      3.974,
      11499.656,
      735,
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        50391.247, 0, 48, 0, 0.013, 3.0, 7134.433, -2, -19, 0, 0.013, 2.9, 30599.182, -5, -31, 0, 0.013, 3.6, -9723.857, 1, 0, 0, 0.013, 4.8, 7607.084, -2, -19, 0, 0.012, 0.8, 23837.689, 1, 35, 0,
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        0.012, 2.4, 31852.372, -4, -17, 0, 0.012, 2.4, 6607.085, -2, -19, 0, 0.012, 4.2, 8359.87, 0, 0, 0, 0.012, 0.5, 5799.713, -2, -19, 0, 0.012, 2.7, 7220.622, 0, 0, 0, 0.012, 4.3, -139.72, 0, 0,
        0, 0.012, 2.3, 13728.836, -2, -16, 0, 0.011, 3.6, 14912.146, 1, 31, 0, 0.011, 4.7, 14916.748, -2, -19, 0,
      ],
      [
        1.6768, 4.66926, 628.301955, -0.0266, 0.1, -0.005, 0.51642, 3.3721, 6585.76091, -2.158, -18.9, 0.09, 0.41383, 5.7277, 14914.452335, -0.635, 6.2, -0.04, 0.37115, 3.9695, 7700.389469, 1.55,
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        0.6, 7, 0, 0.00317, 2.8, 16728.3705, 1.2, 28, 0, 0.00303, 6.07, 157.7344, 0, 0, 0, 0.003, 2.53, 33.757, -0.3, -4, 0, 0.00295, 4.16, 31571.8352, 2.4, 56, 0, 0.00289, 5.98, 7211.7617, -0.7, 6,
        0, 0.00285, 2.06, 15540.4531, 0.9, 31, 0, 0.00283, 2.65, 2.6298, 0, 0, 0, 0.00282, 6.17, 15545.0555, -2.2, -19, 0, 0.00278, 1.23, -39.8149, 0, 0, 0, 0.00272, 3.82, 7216.3641, -3.7, -44, 0,
        0.0027, 4.37, 70.9877, -1.9, -22, 0, 0.00256, 5.81, 13657.8484, -0.6, 6, 0, 0.00244, 5.64, -0.2237, 1.5, 25, 0, 0.0024, 2.96, 8311.7707, -2.2, -19, 0, 0.00239, 0.87, -33.7814, 0.3, 4, 0,
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        4.26, 23385.119, -2.9, -13, 0, 0.00156, 1.26, 550.755, 0, 0, 0, 0.00155, 1.25, 21500.213, -2.8, -13, 0, 0.00152, 0.6, -16.921, -3.7, -44, 0, 0.0015, 2.71, -79.63, 0, 0, 0, 0.0015, 5.29,
        15.542, 0, 0, 0, 0.00148, 1.06, -2371.232, -3.7, -44, 0, 0.00141, 0.77, 8328.691, 1.5, 25, 0, 0.00141, 3.67, 7143.075, -0.3, 0, 0, 0.00138, 5.45, 25614.376, 4.5, 75, 0, 0.00129, 4.9,
        23871.446, 0.9, 31, 0, 0.00126, 4.03, 141.975, -3.8, -44, 0, 0.00124, 6.01, 522.369, 0, 0, 0, 0.0012, 4.94, -10071.622, -5.2, -69, 0, 0.00118, 5.07, -15.419, -2.2, -19, 0, 0.00107, 3.49,
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        -6.559, -1.9, -22, 0, 0.00097, 0.08, 15400.779, 3.1, 50, 0, 0.00096, 5.84, 31781.385, -1.9, 5, 0, 0.00094, 1.08, 8328.363, 0, 0, 0, 0.00094, 2.46, 16799.358, -0.7, 6, 0, 0.00094, 1.69,
        6376.211, 2.2, 32, 0, 0.00093, 3.64, 8329.02, 3.0, 50, 0, 0.00093, 2.65, 16655.082, 4.6, 75, 0, 0.0009, 1.9, 15056.428, -4.4, -38, 0, 0.00089, 1.59, 52.969, 0, 0, 0, 0.00088, 2.02, -8257.704,
        -3.4, -47, 0, 0.00088, 3.02, 7213.711, -2.2, -19, 0, 0.00087, 0.5, 7214.415, -2.2, -19, 0, 0.00087, 0.49, 16659.684, 1.5, 25, 0, 0.00082, 5.64, -4.931, 1.5, 25, 0, 0.00079, 5.17, 13171.522,
        -4.3, -38, 0, 0.00076, 3.6, 29828.905, -1.3, 12, 0, 0.00076, 4.08, 24567.322, 0.3, 24, 0, 0.00076, 4.58, 1884.906, -0.1, 0, 0, 0.00073, 0.33, 31713.811, -1.4, 12, 0, 0.00073, 0.93, 32828.439,
        2.4, 56, 0, 0.00071, 5.91, 38785.898, 0.2, 37, 0, 0.00069, 2.2, 15613.742, -2.5, -16, 0, 0.00066, 3.87, 15.732, -2.5, -23, 0, 0.00066, 0.86, 25823.926, 0.2, 24, 0, 0.00065, 2.52, 8170.957,
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        0.00058, 5.43, 14357.138, -2, -16, 0, 0.00057, 3.09, 8294.91, 2, 29, 0, 0.00057, 4.67, -8362.473, -1, -21, 0, 0.00056, 4.15, 16833.151, -1, 0, 0, 0.00054, 1.93, 7056.329, -2, -19, 0, 0.00054,
        5.27, 8315.574, -2, -19, 0, 0.00052, 5.6, 8311.418, -2, -19, 0, 0.00052, 2.7, -77.552, 0, 0, 0, 0.00051, 4.3, 7230.984, 2, 25, 0, 0.0005, 0.4, -0.508, 0, 0, 0, 0.00049, 5.4, 7211.433, -2, -19,
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        -8815.018, -5, -69, 0, 0.00044, 1.6, 62.133, -2, -19, 0, 0.00042, 2.9, -13.118, -4, -44, 0, 0.00042, 4.1, -119.445, 0, 0, 0, 0.00041, 4.3, 22756.817, -3, -13, 0, 0.00041, 3.6, 8288.877, 2, 25,
        0, 0.0004, 0.5, 6663.308, -2, -19, 0, 0.0004, 1.1, 8368.506, 2, 25, 0, 0.00039, 4.1, 6443.786, 2, 25, 0, 0.00039, 3.1, 16657.383, 3, 50, 0, 0.00038, 0.1, 16657.031, 3, 50, 0, 0.00038, 3.0,
        16657.735, 3, 50, 0, 0.00038, 4.6, 23942.433, -1, 9, 0, 0.00037, 4.3, 15385.02, -1, 6, 0, 0.00037, 5.0, 548.678, 0, 0, 0, 0.00036, 1.8, 7213.352, -2, -19, 0, 0.00036, 1.7, 7214.774, -2, -19,
        0, 0.00035, 1.1, 7777.936, 2, 25, 0, 0.00035, 1.6, -8.86, 0, 0, 0, 0.00035, 4.4, 23869.145, 2, 56, 0, 0.00035, 2.0, 6691.693, -2, -19, 0, 0.00034, 1.3, -1185.616, -2, -22, 0, 0.00034, 2.2,
        23873.747, -1, 6, 0, 0.00033, 2.0, -235.287, 0, 0, 0, 0.00033, 3.1, 17913.987, 3, 50, 0, 0.00033, 1.0, 8351.233, -2, -19, 0,
      ],
      [
        0.00487, 4.6693, 628.30196, -0.027, 0, -0.01, 0.00228, 2.6746, -2.3012, 1.523, 25, -0.12, 0.0015, 3.372, 6585.76091, -2.16, -19, 0.1, 0.0012, 5.728, 14914.45233, -0.64, 6, 0, 0.00108, 3.969,
        7700.38947, 1.55, 25, -0.1, 0.0008, 0.742, 8956.99338, 1.5, 25, -0.1, 0.000254, 6.002, 0.3286, 1.52, 25, -0.1, 0.00021, 0.144, 7842.3648, -2.21, -19, 0, 0.00018, 2.5, 16171.0562, -0.7, 6, 0,
        0.00013, 0.44, 8399.6791, -0.4, 3, 0, 0.000126, 5.03, 8326.3902, 3.0, 50, 0, 0.00012, 5.77, 14286.1504, -0.6, 6, 0, 0.000118, 5.96, 8330.9926, 0, 0, 0, 0.00011, 1.8, 23243.1438, 0.9, 31, 0,
        0.00011, 3.42, 5957.459, -2.1, -19, 0, 0.00011, 4.63, 1256.6039, -0.1, 0, 0, 0.000099, 4.7, -0.7113, 0, 0, 0, 0.00007, 0.04, 16029.0809, 3.1, 50, 0, 0.00007, 5.14, 8328.3391, 1.5, 25, 0,
        0.00007, 5.85, 8329.0437, 1.5, 25, 0, 0.00006, 1.02, -1742.9305, -3.7, -44, 0, 0.00006, 3.1, 17285.6848, 3.0, 50, 0, 0.000054, 5.69, -0.352, 0, 0, 0, 0.000043, 0.52, 15.542, 0, 0, 0, 0.000041,
        2.03, 2.63, 0, 0, 0, 0.00004, 0.1, 8470.667, -2.2, -19, 0, 0.00004, 4.01, 7072.088, 1.6, 25, 0, 0.000036, 2.93, -8.86, -0.3, 0, 0, 0.00003, 1.2, 22128.515, -2.8, -13, 0, 0.00003, 2.54,
        15542.754, -0.7, 6, 0, 0.000027, 4.43, 7211.762, -0.7, 6, 0, 0.000026, 0.51, 15540.453, 0.9, 31, 0, 0.000026, 1.44, 15545.055, -2.2, -19, 0, 0.000025, 5.37, 7216.364, -3.7, -44, 0,
      ],
      [0.000012, 1.041, -2.3012, 1.52, 25, -0.1, 0.0000017, 0.31, -0.711, 0, 0, 0],
    ],
  ]
  var rad = (180 * 3600) / Math.PI
  var dt_at = new Array(
    -4000,
    108371.7,
    -13036.8,
    392.0,
    0.0,
    -500,
    17201.0,
    -627.82,
    16.17,
    -0.3413,
    -150,
    12200.6,
    -346.41,
    5.403,
    -0.1593,
    150,
    9113.8,
    -328.13,
    -1.647,
    0.0377,
    500,
    5707.5,
    -391.41,
    0.915,
    0.3145,
    900,
    2203.4,
    -283.45,
    13.034,
    -0.1778,
    1300,
    490.1,
    -57.35,
    2.085,
    -0.0072,
    1600,
    120.0,
    -9.81,
    -1.532,
    0.1403,
    1700,
    10.2,
    -0.91,
    0.51,
    -0.037,
    1800,
    13.4,
    -0.72,
    0.202,
    -0.0193,
    1830,
    7.8,
    -1.81,
    0.416,
    -0.0247,
    1860,
    8.3,
    -0.13,
    -0.406,
    0.0292,
    1880,
    -5.4,
    0.32,
    -0.183,
    0.0173,
    1900,
    -2.3,
    2.06,
    0.169,
    -0.0135,
    1920,
    21.2,
    1.69,
    -0.304,
    0.0167,
    1940,
    24.2,
    1.22,
    -0.064,
    0.0031,
    1960,
    33.2,
    0.51,
    0.231,
    -0.0109,
    1980,
    51.0,
    1.29,
    -0.026,
    0.0032,
    2000,
    63.87,
    0.1,
    0,
    0,
    2005,
    64.7,
    0.4,
    0,
    0,
    2015,
    69
  )
  var nutB = new Array(
    2.1824,
    -33.75705,
    36e-6,
    -1720,
    920,
    3.5069,
    1256.66393,
    11e-6,
    -132,
    57,
    1.3375,
    16799.4182,
    -51e-6,
    -23,
    10,
    4.3649,
    -67.5141,
    72e-6,
    21,
    -9,
    0.04,
    -628.302,
    0,
    -14,
    0,
    2.36,
    8328.691,
    0,
    7,
    0,
    3.46,
    1884.966,
    0,
    -5,
    2,
    5.44,
    16833.175,
    0,
    -4,
    2,
    3.69,
    25128.11,
    0,
    -3,
    0,
    3.55,
    628.362,
    0,
    2,
    0
  )
  function gxc_sunLon(t) {
    var v = -0.043126 + 628.301955 * t - 0.000002732 * t * t
    var e = 0.016708634 - 0.000042037 * t - 0.0000001267 * t * t
    return (-20.49552 * (1 + e * Math.cos(v))) / rad
  }
  function gxc_moonLon(t) {
    return -3.4e-6
  }
  function nutationLon2(t) {
    var i,
      a,
      t2 = t * t,
      dL = 0,
      B = nutB
    for (i = 0; i < B.length; i += 5) {
      if (i == 0) a = -1.742 * t
      else a = 0
      dL += (B[i + 3] + a) * Math.sin(B[i] + B[i + 1] * t + B[i + 2] * t2)
    }
    return dL / 100 / rad
  }
  function dt_T(t) {
    return dt_calc(t / 365.2425 + 2000) / 86400.0
  }
  function dt_ext(y, jsd) {
    var dy = (y - 1820) / 100
    return -20 + jsd * dy * dy
  }
  function dt_calc(y) {
    var y0 = dt_at[dt_at.length - 2]
    var t0 = dt_at[dt_at.length - 1]
    if (y >= y0) {
      var jsd = 31
      if (y > y0 + 100) return dt_ext(y, jsd)
      var v = dt_ext(y, jsd)
      var dv = dt_ext(y0, jsd) - t0
      return v - (dv * (y0 + 100 - y)) / 100
    }
    var i,
      d = dt_at
    for (i = 0; i < d.length; i += 5) if (y < d[i + 5]) break
    var t1 = ((y - d[i]) / (d[i + 5] - d[i])) * 10,
      t2 = t1 * t1,
      t3 = t2 * t1
    return d[i + 1] + d[i + 2] * t1 + d[i + 3] * t2 + d[i + 4] * t3
  }
  function XL0_calc(xt, zn, t, n) {
    t /= 10
    var i,
      j,
      v = 0,
      tn = 1,
      c
    var F = XL0[xt],
      n1,
      n2,
      N
    var n0,
      pn = zn * 6 + 1,
      N0 = F[pn + 1] - F[pn]
    for (i = 0; i < 6; i++, tn *= t) {
      ;(n1 = F[pn + i]), (n2 = F[pn + 1 + i]), (n0 = n2 - n1)
      if (!n0) continue
      if (n < 0) N = n2
      else {
        N = Math.floor((3 * n * n0) / N0 + 0.5) + n1
        if (i) N += 3
        if (N > n2) N = n2
      }
      for (j = n1, c = 0; j < N; j += 3) c += F[j] * Math.cos(F[j + 1] + t * F[j + 2])
      v += c * tn
    }
    v /= F[0]
    if (xt == 0) {
      var t2 = t * t,
        t3 = t2 * t
      if (zn == 0) v += (-0.0728 - 2.7702 * t - 1.1019 * t2 - 0.0996 * t3) / rad
      if (zn == 1) v += (+0.0 + 0.0004 * t + 0.0004 * t2 - 0.0026 * t3) / rad
      if (zn == 2) v += (-0.002 + 0.0044 * t + 0.0213 * t2 - 0.025 * t3) / 1000000
    } else {
      var dv = XL0_xzb[(xt - 1) * 3 + zn]
      if (zn == 0) v += (-3 * t) / rad
      if (zn == 2) v += dv / 1000000
      else v += dv / rad
    }
    return v
  }
  function XL1_calc(zn, t, n) {
    var ob = XL1[zn]
    var i,
      j,
      F,
      N,
      v = 0,
      tn = 1,
      c
    var t2 = t * t,
      t3 = t2 * t,
      t4 = t3 * t,
      t5 = t4 * t,
      tx = t - 10
    if (zn == 0) {
      v += (3.81034409 + 8399.684730072 * t - 3.319e-5 * t2 + 3.11e-8 * t3 - 2.033e-10 * t4) * rad
      v += 5028.792262 * t + 1.1124406 * t2 + 0.00007699 * t3 - 0.000023479 * t4 - 0.0000000178 * t5
      if (tx > 0) v += -0.866 + 1.43 * tx + 0.054 * tx * tx
    }
    ;(t2 /= 1e4), (t3 /= 1e8), (t4 /= 1e8)
    n *= 6
    if (n < 0) n = ob[0].length
    for (i = 0; i < ob.length; i++, tn *= t) {
      F = ob[i]
      N = Math.floor((n * F.length) / ob[0].length + 0.5)
      if (i) N += 6
      if (N >= F.length) N = F.length
      for (j = 0, c = 0; j < N; j += 6) c += F[j] * Math.cos(F[j + 1] + t * F[j + 2] + t2 * F[j + 3] + t3 * F[j + 4] + t4 * F[j + 5])
      v += c * tn
    }
    if (zn != 2) v /= rad
    return v
  }
  var XL = {
    E_Lon: function (t, n) {
      return XL0_calc(0, 0, t, n)
    },
    M_Lon: function (t, n) {
      return XL1_calc(0, t, n)
    },
    E_v: function (t) {
      var f = 628.307585 * t
      return 628.332 + 21 * Math.sin(1.527 + f) + 0.44 * Math.sin(1.48 + f * 2) + 0.129 * Math.sin(5.82 + f) * t + 0.00055 * Math.sin(4.21 + f) * t * t
    },
    M_v: function (t) {
      var v = 8399.71 - 914 * Math.sin(0.7848 + 8328.691425 * t + 0.0001523 * t * t)
      v -=
        179 * Math.sin(2.543 + 15542.7543 * t) +
        160 * Math.sin(0.1874 + 7214.0629 * t) +
        62 * Math.sin(3.14 + 16657.3828 * t) +
        34 * Math.sin(4.827 + 16866.9323 * t) +
        22 * Math.sin(4.9 + 23871.4457 * t) +
        12 * Math.sin(2.59 + 14914.4523 * t) +
        7 * Math.sin(0.23 + 6585.7609 * t) +
        5 * Math.sin(0.9 + 25195.624 * t) +
        5 * Math.sin(2.32 - 7700.3895 * t) +
        5 * Math.sin(3.88 + 8956.9934 * t) +
        5 * Math.sin(0.49 + 7771.3771 * t)
      return v
    },
    MS_aLon: function (t, Mn, Sn) {
      return this.M_Lon(t, Mn) + gxc_moonLon(t) - (this.E_Lon(t, Sn) + gxc_sunLon(t) + Math.PI)
    },
    S_aLon: function (t, n) {
      return this.E_Lon(t, n) + nutationLon2(t) + gxc_sunLon(t) + Math.PI
    },
    MS_aLon_t: function (W) {
      var t,
        v = 7771.37714500204
      t = (W + 1.08472) / v
      t += (W - this.MS_aLon(t, 3, 3)) / v
      v = this.M_v(t) - this.E_v(t)
      t += (W - this.MS_aLon(t, 20, 10)) / v
      t += (W - this.MS_aLon(t, -1, 60)) / v
      return t
    },
    S_aLon_t: function (W) {
      var t,
        v = 628.3319653318
      t = (W - 1.75347 - Math.PI) / v
      v = this.E_v(t)
      t += (W - this.S_aLon(t, 10)) / v
      v = this.E_v(t)
      t += (W - this.S_aLon(t, -1)) / v
      return t
    },
    MS_aLon_t2: function (W) {
      var t,
        v = 7771.37714500204
      t = (W + 1.08472) / v
      var L,
        t2 = t * t
      t -=
        (-0.00003309 * t2 +
          0.10976 * Math.cos(0.784758 + 8328.6914246 * t + 0.000152292 * t2) +
          0.02224 * Math.cos(0.1874 + 7214.0628654 * t - 0.00021848 * t2) -
          0.03342 * Math.cos(4.669257 + 628.307585 * t)) /
        v
      L =
        this.M_Lon(t, 20) -
        (4.8950632 +
          628.3319653318 * t +
          0.000005297 * t * t +
          0.0334166 * Math.cos(4.669257 + 628.307585 * t) +
          0.0002061 * Math.cos(2.67823 + 628.307585 * t) * t +
          0.000349 * Math.cos(4.6261 + 1256.61517 * t) -
          20.5 / rad)
      v = 7771.38 - 914 * Math.sin(0.7848 + 8328.691425 * t + 0.0001523 * t * t) - 179 * Math.sin(2.543 + 15542.7543 * t) - 160 * Math.sin(0.1874 + 7214.0629 * t)
      t += (W - L) / v
      return t
    },
    S_aLon_t2: function (W) {
      var t,
        L,
        v = 628.3319653318
      t = (W - 1.75347 - Math.PI) / v
      t -= (0.000005297 * t * t + 0.0334166 * Math.cos(4.669257 + 628.307585 * t) + 0.0002061 * Math.cos(2.67823 + 628.307585 * t) * t) / v
      t += (W - this.E_Lon(t, 8) - Math.PI + (20.5 + 17.2 * Math.sin(2.1824 - 33.75705 * t)) / rad) / v
      return t
    },
  }
  function unzip(str) {
    var z10 = '0000000000',
      z20 = z10 + z10
    var map = {
      J: '00',
      I: '000',
      H: '0000',
      G: '00000',
      t: '01',
      s: '001',
      r: '0001',
      q: '00001',
      p: '000001',
      o: '0000001',
      n: '00000001',
      m: '000000001',
      l: '0000000001',
      k: '03',
      j: '0303',
      i: '003',
      h: '003003',
      g: '0003',
      f: '00003',
      e: '000003',
      d: '0000003',
      c: '00000003',
      b: '000000003',
      a: '0000000003',
      A: z20 + z20 + z20,
      B: z20 + z20 + z10,
      C: z20 + z20,
      D: z20 + z10,
      E: z20,
      F: z10,
    }
    return str.replace(/\D/g, function (c) {
      return map[c]
    })
  }
  window.Lunar = Lunar
  window.lunar = lunar
})()
;(function () {
  /**
   * 节日的分类：
   * 		t:中国传统节日
   * 		i:世界性节日
   * 		h:中国节假日
   * 		c:基督教节日
   * 		a:北美节日
   */

  var FESTIVAL = {
    //t:中国传统节日
    正月初一: 't,春节 ',
    正月十五: 't,元宵节',
    二月初二: 't,龙头节',
    五月初五: 't,端午节',
    七月初七: 't,乞巧节（七夕）',
    七月十五: 't,中元节',
    八月十五: 't,中秋节',
    九月初九: 't,重阳节',
    十月初一: 't,寒衣节',
    十月十五: 't,下元节',
    腊月初八: 't,腊八节',
    腊月廿三: 't,祭灶节',
    //'十二月卅日（或廿九） 除夕

    //i:世界性节日
    '0202': 'i,世界湿地日,1996',
    '0308': 'i,国际妇女节,1975',
    '0315': 'i,国际消费者权益日,1983',
    '0422': 'i,世界地球日,1990',
    '0501': 'i,国际劳动节,1889',
    '0512': 'i,国际护士节,1912',
    '0518': 'i,国际博物馆日,1977',
    '0605': 'i,世界环境日,1972',
    '0623': 'i,国际奥林匹克日,1948',
    '0624': 'i,世界骨质疏松日,1997',
    1117: 'i,世界学生日,1942',
    1201: 'i,世界爱滋病日,1988',

    //h:中国节假日
    '0101': 'h,元旦',
    '0312': 'h,植树节,1979',
    '0504': 'h,五四青年节,1939',
    '0601': 'h,儿童节,1950',
    '0701': 'h,建党节,1941',
    '0801': 'h,建军节,1933',
    '0910': 'h,教师节,1985',
    1001: 'h,国庆节,1949',

    //c:基督教节日
    1224: 'c,平安夜',
    1225: 'c,圣诞节',

    //a:北美节日
    '0214': 'a,西洋情人节',
    w: {
      '0520': 'i,母亲节,1913',
      '0630': 'a,父亲节',
      1144: 'a,感恩节(美国)',
      1021: 'a,感恩节(加拿大)',
    },
  }

  Lunar.prototype.festival = function () {
    var y = this.oDate.getFullYear(),
      m = this.oDate.getMonth() + 1,
      d = this.oDate.getDate(),
      skey = align(m) + align(d)
    var day = this.oDate.getDay(),
      nWeek = Math.ceil(d / 7),
      wkey = align(m) + nWeek + day
    var M = this.lMonth,
      D = this.lDate,
      lkey = M + '月' + D
    var arRslt = []
    if (this.lNextMonth == '正' && D == (this.isBigMonth ? '三十' : '廿九')) {
      arRslt.push('t,除夕')
    }
    if (FESTIVAL.w[wkey]) {
      arRslt = arRslt.concat(FESTIVAL.w[wkey].split('|'))
    }
    if (FESTIVAL[skey]) {
      arRslt = arRslt.concat(FESTIVAL[skey].split('|'))
    }
    if (FESTIVAL[lkey]) {
      arRslt = arRslt.concat(FESTIVAL[lkey].split('|'))
    }
    for (var t, i = arRslt.length - 1; i > -1; i--) {
      t = arRslt[i].split(',')
      if (t[2] && y < t[2] - 0) {
        arRslt.splice(i, 1)
        continue
      }
      arRslt[i] = {
        type: t[0],
        desc: t[1],
      }
    }
    return arRslt.sort(function (a, b) {
      return b.type.charCodeAt(0) - a.type.charCodeAt(0)
    })
  }
  function align(n) {
    return (n < 10 ? '0' : '') + n
  }
})()

// 节气节假日以及农历信息的库-e

var FullCalendar = (function (exports) {
  'use strict'

  /*! *****************************************************************************
    Copyright (c) Microsoft Corporation.

    Permission to use, copy, modify, and/or distribute this software for any
    purpose with or without fee is hereby granted.

    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
    REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
    AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
    INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
    LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
    OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
    PERFORMANCE OF THIS SOFTWARE.
    ***************************************************************************** */
  /* global Reflect, Promise */

  var extendStatics = function (d, b) {
    extendStatics =
      Object.setPrototypeOf ||
      ({ __proto__: [] } instanceof Array &&
        function (d, b) {
          d.__proto__ = b
        }) ||
      function (d, b) {
        for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]
      }
    return extendStatics(d, b)
  }

  function __extends(d, b) {
    extendStatics(d, b)
    function __() {
      this.constructor = d
    }
    d.prototype = b === null ? Object.create(b) : ((__.prototype = b.prototype), new __())
  }

  var __assign = function () {
    __assign =
      Object.assign ||
      function __assign(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
          s = arguments[i]
          for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p]
        }
        return t
      }
    return __assign.apply(this, arguments)
  }

  function __spreadArrays() {
    for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length
    for (var r = Array(s), k = 0, i = 0; i < il; i++) for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++) r[k] = a[j]
    return r
  }

  var n,
    u,
    i,
    t,
    o,
    r,
    f = {},
    e = [],
    c = /acit|ex(?:s|g|n|p|$)|rph|grid|ows|mnc|ntw|ine[ch]|zoo|^ord|itera/i
  function s(n, l) {
    for (var u in l) n[u] = l[u]
    return n
  }
  function a(n) {
    var l = n.parentNode
    l && l.removeChild(n)
  }
  function v(n, l, u) {
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      t,
      o,
      r = arguments,
      f = {}
    for (o in l) 'key' == o ? (i = l[o]) : 'ref' == o ? (t = l[o]) : (f[o] = l[o])
    if (arguments.length > 3) for (u = [u], o = 3; o < arguments.length; o++) u.push(r[o])
    if ((null != u && (f.children = u), 'function' == typeof n && null != n.defaultProps)) for (o in n.defaultProps) void 0 === f[o] && (f[o] = n.defaultProps[o])
    return h(n, f, i, t, null)
  }
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      props: u,
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      ref: t,
      __k: null,
      __: null,
      __b: 0,
      __e: null,
      __d: void 0,
      __c: null,
      __h: null,
      constructor: void 0,
      __v: null == o ? ++n.__v : o,
    }
    return null != n.vnode && n.vnode(r), r
  }
  function y() {
    return { current: null }
  }
  function p(n) {
    return n.children
  }
  function d(n, l) {
    ;(this.props = n), (this.context = l)
  }
  function _(n, l) {
    if (null == l) return n.__ ? _(n.__, n.__.__k.indexOf(n) + 1) : null
    for (var u; l < n.__k.length; l++) if (null != (u = n.__k[l]) && null != u.__e) return u.__e
    return 'function' == typeof n.type ? _(n) : null
  }
  function w(n) {
    var l, u
    if (null != (n = n.__) && null != n.__c) {
      for (n.__e = n.__c.base = null, l = 0; l < n.__k.length; l++)
        if (null != (u = n.__k[l]) && null != u.__e) {
          n.__e = n.__c.base = u.__e
          break
        }
      return w(n)
    }
  }
  function k(l) {
    ;((!l.__d && (l.__d = !0) && u.push(l) && !g.__r++) || t !== n.debounceRendering) && ((t = n.debounceRendering) || i)(g)
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            ? null
            : 'string' == typeof k || 'number' == typeof k
            ? h(null, k, null, null, k)
            : Array.isArray(k)
            ? h(p, { children: k }, null, null, null)
            : null != k.__e || null != k.__c
            ? h(k.type, k.props, k.key, null, k.__v)
            : k)
      ) {
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              break
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        ;(g = $(n, k, (w = w || f), t, o, r, c, s, v)),
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          null != g
            ? (null == m && (m = g), (s = x(n, k, w, A, r, g, s)), v || 'option' != u.type ? 'function' == typeof u.type && (u.__d = s) : (n.value = ''))
            : s && w.__e == s && s.parentNode != n && (s = _(w))
      }
    if (((u.__e = m), null != r && 'function' != typeof u.type)) for (y = r.length; y--; ) null != r[y] && a(r[y])
    for (y = P; y--; ) null != A[y] && L(A[y], A[y])
    if (b) for (y = 0; y < b.length; y++) I(b[y], b[++y], b[++y])
  }
  function x(n, l, u, i, t, o, r) {
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    if (void 0 !== l.__d) (f = l.__d), (l.__d = void 0)
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  }
  function P(n, l, u) {
    '-' === l[0] ? n.setProperty(l, u) : (n[l] = null == u ? '' : 'number' != typeof u || c.test(l) ? u : u + 'px')
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    var o, r, f
    if ((t && 'className' == l && (l = 'class'), 'style' === l))
      if ('string' == typeof u) n.style.cssText = u
      else {
        if (('string' == typeof i && (n.style.cssText = i = ''), i)) for (l in i) (u && l in u) || P(n.style, l, '')
        if (u) for (l in u) (i && u[l] === i[l]) || P(n.style, l, u[l])
      }
    else
      'o' === l[0] && 'n' === l[1]
        ? ((o = l !== (l = l.replace(/Capture$/, ''))),
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          (l = l.slice(2)),
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          (n.l[l + o] = u),
          (f = o ? N : z),
          u ? i || n.addEventListener(l, f, o) : n.removeEventListener(l, f, o))
        : 'list' !== l && 'tagName' !== l && 'form' !== l && 'type' !== l && 'size' !== l && 'download' !== l && 'href' !== l && !t && l in n
        ? (n[l] = null == u ? '' : u)
        : 'function' != typeof u &&
          'dangerouslySetInnerHTML' !== l &&
          (l !== (l = l.replace(/xlink:?/, ''))
            ? null == u || !1 === u
              ? n.removeAttributeNS('http://www.w3.org/1999/xlink', l.toLowerCase())
              : n.setAttributeNS('http://www.w3.org/1999/xlink', l.toLowerCase(), u)
            : null == u || (!1 === u && !/^ar/.test(l))
            ? n.removeAttribute(l)
            : n.setAttribute(l, u))
  }
  function z(l) {
    this.l[l.type + !1](n.event ? n.event(l) : l)
  }
  function N(l) {
    this.l[l.type + !0](n.event ? n.event(l) : l)
  }
  function T(n, l, u) {
    var i, t
    for (i = 0; i < n.__k.length; i++)
      (t = n.__k[i]) && ((t.__ = n), t.__e && ('function' == typeof t.type && t.__k.length > 1 && T(t, l, u), (l = x(u, t, t, n.__k, null, t.__e, l)), 'function' == typeof n.type && (n.__d = l)))
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  function $(l, u, i, t, o, r, f, e, c) {
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      v,
      h,
      y,
      _,
      w,
      k,
      g,
      b,
      x,
      A,
      P = u.type
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    null != i.__h && ((c = i.__h), (e = u.__e = i.__e), (u.__h = null), (r = [e])), (a = n.__b) && a(u)
    try {
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        if (
          ((g = u.props),
          (b = (a = P.contextType) && t[a.__c]),
          (x = a ? (b ? b.props.value : a.__) : t),
          i.__c
            ? (k = (v = u.__c = i.__c).__ = v.__E)
            : ('prototype' in P && P.prototype.render ? (u.__c = v = new P(g, x)) : ((u.__c = v = new d(g, x)), (v.constructor = P), (v.render = M)),
              b && b.sub(v),
              (v.props = g),
              v.state || (v.state = {}),
              (v.context = x),
              (v.__n = t),
              (h = v.__d = !0),
              (v.__h = [])),
          null == v.__s && (v.__s = v.state),
          null != P.getDerivedStateFromProps && (v.__s == v.state && (v.__s = s({}, v.__s)), s(v.__s, P.getDerivedStateFromProps(g, v.__s))),
          (y = v.props),
          (_ = v.state),
          h)
        )
          null == P.getDerivedStateFromProps && null != v.componentWillMount && v.componentWillMount(), null != v.componentDidMount && v.__h.push(v.componentDidMount)
        else {
          if (
            (null == P.getDerivedStateFromProps && g !== y && null != v.componentWillReceiveProps && v.componentWillReceiveProps(g, x),
            (!v.__e && null != v.shouldComponentUpdate && !1 === v.shouldComponentUpdate(g, v.__s, x)) || u.__v === i.__v)
          ) {
            ;(v.props = g), (v.state = v.__s), u.__v !== i.__v && (v.__d = !1), (v.__v = u), (u.__e = i.__e), (u.__k = i.__k), v.__h.length && f.push(v), T(u, e, l)
            break n
          }
          null != v.componentWillUpdate && v.componentWillUpdate(g, v.__s, x),
            null != v.componentDidUpdate &&
              v.__h.push(function () {
                v.componentDidUpdate(y, _, w)
              })
        }
        ;(v.context = x),
          (v.props = g),
          (v.state = v.__s),
          (a = n.__r) && a(u),
          (v.__d = !1),
          (v.__v = u),
          (v.__P = l),
          (a = v.render(v.props, v.state, v.context)),
          (v.state = v.__s),
          null != v.getChildContext && (t = s(s({}, t), v.getChildContext())),
          h || null == v.getSnapshotBeforeUpdate || (w = v.getSnapshotBeforeUpdate(y, _)),
          (A = null != a && a.type == p && null == a.key ? a.props.children : a),
          m(l, Array.isArray(A) ? A : [A], u, i, t, o, r, f, e, c),
          (v.base = u.__e),
          (u.__h = null),
          v.__h.length && f.push(v),
          k && (v.__E = v.__ = null),
          (v.__e = !1)
      } else null == r && u.__v === i.__v ? ((u.__k = i.__k), (u.__e = i.__e)) : (u.__e = H(i.__e, u, i, t, o, r, f, c))
      ;(a = n.diffed) && a(u)
    } catch (l) {
      ;(u.__v = null), (c || null != r) && ((u.__e = e), (u.__h = !!c), (r[r.indexOf(e)] = null)), n.__e(l, u, i)
    }
    return u.__e
  }
  function j(l, u) {
    n.__c && n.__c(u, l),
      l.some(function (u) {
        try {
          ;(l = u.__h),
            (u.__h = []),
            l.some(function (n) {
              n.call(u)
            })
        } catch (l) {
          n.__e(l, u.__v)
        }
      })
  }
  function H(n, l, u, i, t, o, r, c) {
    var s,
      a,
      v,
      h,
      y,
      p = u.props,
      d = l.props
    if (((t = 'svg' === l.type || t), null != o))
      for (s = 0; s < o.length; s++)
        if (null != (a = o[s]) && ((null === l.type ? 3 === a.nodeType : a.localName === l.type) || n == a)) {
          ;(n = a), (o[s] = null)
          break
        }
    if (null == n) {
      if (null === l.type) return document.createTextNode(d)
      ;(n = t ? document.createElementNS('http://www.w3.org/2000/svg', l.type) : document.createElement(l.type, d.is && { is: d.is })), (o = null), (c = !1)
    }
    if (null === l.type) p === d || (c && n.data === d) || (n.data = d)
    else {
      if ((null != o && (o = e.slice.call(n.childNodes)), (v = (p = u.props || f).dangerouslySetInnerHTML), (h = d.dangerouslySetInnerHTML), !c)) {
        if (null != o) for (p = {}, y = 0; y < n.attributes.length; y++) p[n.attributes[y].name] = n.attributes[y].value
        ;(h || v) && ((h && ((v && h.__html == v.__html) || h.__html === n.innerHTML)) || (n.innerHTML = (h && h.__html) || ''))
      }
      A(n, d, p, t, c),
        h ? (l.__k = []) : ((s = l.props.children), m(n, Array.isArray(s) ? s : [s], l, u, i, 'foreignObject' !== l.type && t, o, r, f, c)),
        c ||
          ('value' in d && void 0 !== (s = d.value) && (s !== n.value || ('progress' === l.type && !s)) && C(n, 'value', s, p.value, !1),
          'checked' in d && void 0 !== (s = d.checked) && s !== n.checked && C(n, 'checked', s, p.checked, !1))
    }
    return n
  }
  function I(l, u, i) {
    try {
      'function' == typeof l ? l(u) : (l.current = u)
    } catch (l) {
      n.__e(l, i)
    }
  }
  function L(l, u, i) {
    var t, o, r
    if (
      (n.unmount && n.unmount(l),
      (t = l.ref) && ((t.current && t.current !== l.__e) || I(t, null, u)),
      i || 'function' == typeof l.type || (i = null != (o = l.__e)),
      (l.__e = l.__d = void 0),
      null != (t = l.__c))
    ) {
      if (t.componentWillUnmount)
        try {
          t.componentWillUnmount()
        } catch (l) {
          n.__e(l, u)
        }
      t.base = t.__P = null
    }
    if ((t = l.__k)) for (r = 0; r < t.length; r++) t[r] && L(t[r], u, i)
    null != o && a(o)
  }
  function M(n, l, u) {
    return this.constructor(n, u)
  }
  function O(l, u, i) {
    var t, r, c
    n.__ && n.__(l, u),
      (r = (t = i === o) ? null : (i && i.__k) || u.__k),
      (l = v(p, null, [l])),
      (c = []),
      $(u, ((t ? u : i || u).__k = l), r || f, f, void 0 !== u.ownerSVGElement, i && !t ? [i] : r ? null : u.childNodes.length ? e.slice.call(u.childNodes) : null, c, i || f, t),
      j(c, l)
  }
  function B(n, l) {
    var u = {
      __c: (l = '__cC' + r++),
      __: n,
      Consumer: function (n, l) {
        return n.children(l)
      },
      Provider: function (n, u, i) {
        return (
          this.getChildContext ||
            ((u = []),
            ((i = {})[l] = this),
            (this.getChildContext = function () {
              return i
            }),
            (this.shouldComponentUpdate = function (n) {
              this.props.value !== n.value && u.some(k)
            }),
            (this.sub = function (n) {
              u.push(n)
              var l = n.componentWillUnmount
              n.componentWillUnmount = function () {
                u.splice(u.indexOf(n), 1), l && l.call(n)
              }
            })),
          n.children
        )
      },
    }
    return (u.Provider.__ = u.Consumer.contextType = u)
  }
  ;(n = {
    __e: function (n, l) {
      for (var u, i, t, o = l.__h; (l = l.__); )
        if ((u = l.__c) && !u.__)
          try {
            if (
              ((i = u.constructor) && null != i.getDerivedStateFromError && (u.setState(i.getDerivedStateFromError(n)), (t = u.__d)),
              null != u.componentDidCatch && (u.componentDidCatch(n), (t = u.__d)),
              t)
            )
              return (l.__h = o), (u.__E = u)
          } catch (l) {
            n = l
          }
      throw n
    },
    __v: 0,
  }),
    (d.prototype.setState = function (n, l) {
      var u
      ;(u = null != this.__s && this.__s !== this.state ? this.__s : (this.__s = s({}, this.state))),
        'function' == typeof n && (n = n(s({}, u), this.props)),
        n && s(u, n),
        null != n && this.__v && (l && this.__h.push(l), k(this))
    }),
    (d.prototype.forceUpdate = function (n) {
      this.__v && ((this.__e = !0), n && this.__h.push(n), k(this))
    }),
    (d.prototype.render = p),
    (u = []),
    (i = 'function' == typeof Promise ? Promise.prototype.then.bind(Promise.resolve()) : setTimeout),
    (g.__r = 0),
    (o = f),
    (r = 0)

  var globalObj = typeof globalThis !== 'undefined' ? globalThis : window // // TODO: streamline when killing IE11 support
  if (globalObj.FullCalendarVDom) {
    console.warn('FullCalendar VDOM already loaded')
  } else {
    globalObj.FullCalendarVDom = {
      Component: d,
      createElement: v,
      render: O,
      createRef: y,
      Fragment: p,
      createContext: createContext,
      flushToDom: flushToDom,
      unmountComponentAtNode: unmountComponentAtNode,
    }
  }
  // HACKS...
  // TODO: lock version
  // TODO: link gh issues
  function flushToDom() {
    var oldDebounceRendering = n.debounceRendering // orig
    var callbackQ = []
    function execCallbackSync(callback) {
      callbackQ.push(callback)
    }
    n.debounceRendering = execCallbackSync
    O(v(FakeComponent, {}), document.createElement('div'))
    while (callbackQ.length) {
      callbackQ.shift()()
    }
    n.debounceRendering = oldDebounceRendering
  }
  var FakeComponent = /** @class */ (function (_super) {
    __extends(FakeComponent, _super)
    function FakeComponent() {
      return (_super !== null && _super.apply(this, arguments)) || this
    }
    FakeComponent.prototype.render = function () {
      return v('div', {})
    }
    FakeComponent.prototype.componentDidMount = function () {
      this.setState({})
    }
    return FakeComponent
  })(d)
  function createContext(defaultValue) {
    var ContextType = B(defaultValue)
    var origProvider = ContextType.Provider
    ContextType.Provider = function () {
      var _this = this
      var isNew = !this.getChildContext
      var children = origProvider.apply(this, arguments) // eslint-disable-line prefer-rest-params
      if (isNew) {
        var subs_1 = []
        this.shouldComponentUpdate = function (_props) {
          if (_this.props.value !== _props.value) {
            subs_1.forEach(function (c) {
              c.context = _props.value
              c.forceUpdate()
            })
          }
        }
        this.sub = function (c) {
          subs_1.push(c)
          var old = c.componentWillUnmount
          c.componentWillUnmount = function () {
            subs_1.splice(subs_1.indexOf(c), 1)
            old && old.call(c)
          }
        }
      }
      return children
    }
    return ContextType
  }
  function unmountComponentAtNode(node) {
    O(null, node)
  }

  // no public types yet. when there are, export from:
  // import {} from './api-type-deps'
  var EventSourceApi = /** @class */ (function () {
    function EventSourceApi(context, internalEventSource) {
      this.context = context
      this.internalEventSource = internalEventSource
    }
    EventSourceApi.prototype.remove = function () {
      this.context.dispatch({
        type: 'REMOVE_EVENT_SOURCE',
        sourceId: this.internalEventSource.sourceId,
      })
    }
    EventSourceApi.prototype.refetch = function () {
      this.context.dispatch({
        type: 'FETCH_EVENT_SOURCES',
        sourceIds: [this.internalEventSource.sourceId],
      })
    }
    Object.defineProperty(EventSourceApi.prototype, 'id', {
      get: function () {
        return this.internalEventSource.publicId
      },
      enumerable: false,
      configurable: true,
    })
    Object.defineProperty(EventSourceApi.prototype, 'url', {
      get: function () {
        return this.internalEventSource.meta.url
      },
      enumerable: false,
      configurable: true,
    })
    Object.defineProperty(EventSourceApi.prototype, 'format', {
      get: function () {
        return this.internalEventSource.meta.format // TODO: bad. not guaranteed
      },
      enumerable: false,
      configurable: true,
    })
    return EventSourceApi
  })()

  function removeElement(el) {
    if (el.parentNode) {
      el.parentNode.removeChild(el)
    }
  }
  // Querying
  // ----------------------------------------------------------------------------------------------------------------
  function elementClosest(el, selector) {
    if (el.closest) {
      return el.closest(selector)
      // really bad fallback for IE
      // from https://developer.mozilla.org/en-US/docs/Web/API/Element/closest
    }
    if (!document.documentElement.contains(el)) {
      return null
    }
    do {
      if (elementMatches(el, selector)) {
        return el
      }
      el = el.parentElement || el.parentNode
    } while (el !== null && el.nodeType === 1)
    return null
  }
  function elementMatches(el, selector) {
    var method = el.matches || el.matchesSelector || el.msMatchesSelector
    return method.call(el, selector)
  }
  // accepts multiple subject els
  // returns a real array. good for methods like forEach
  // TODO: accept the document
  function findElements(container, selector) {
    var containers = container instanceof HTMLElement ? [container] : container
    var allMatches = []
    for (var i = 0; i < containers.length; i += 1) {
      var matches = containers[i].querySelectorAll(selector)
      for (var j = 0; j < matches.length; j += 1) {
        allMatches.push(matches[j])
      }
    }
    return allMatches
  }
  // accepts multiple subject els
  // only queries direct child elements // TODO: rename to findDirectChildren!
  function findDirectChildren(parent, selector) {
    var parents = parent instanceof HTMLElement ? [parent] : parent
    var allMatches = []
    for (var i = 0; i < parents.length; i += 1) {
      var childNodes = parents[i].children // only ever elements
      for (var j = 0; j < childNodes.length; j += 1) {
        var childNode = childNodes[j]
        if (!selector || elementMatches(childNode, selector)) {
          allMatches.push(childNode)
        }
      }
    }
    return allMatches
  }
  // Style
  // ----------------------------------------------------------------------------------------------------------------
  var PIXEL_PROP_RE = /(top|left|right|bottom|width|height)$/i
  function applyStyle(el, props) {
    for (var propName in props) {
      applyStyleProp(el, propName, props[propName])
    }
  }
  function applyStyleProp(el, name, val) {
    if (val == null) {
      el.style[name] = ''
    } else if (typeof val === 'number' && PIXEL_PROP_RE.test(name)) {
      el.style[name] = val + 'px'
    } else {
      el.style[name] = val
    }
  }

  // Stops a mouse/touch event from doing it's native browser action
  function preventDefault(ev) {
    ev.preventDefault()
  }
  // Event Delegation
  // ----------------------------------------------------------------------------------------------------------------
  function buildDelegationHandler(selector, handler) {
    return function (ev) {
      var matchedChild = elementClosest(ev.target, selector)
      if (matchedChild) {
        handler.call(matchedChild, ev, matchedChild)
      }
    }
  }
  function listenBySelector(container, eventType, selector, handler) {
    var attachedHandler = buildDelegationHandler(selector, handler)
    container.addEventListener(eventType, attachedHandler)
    return function () {
      container.removeEventListener(eventType, attachedHandler)
    }
  }
  function listenToHoverBySelector(container, selector, onMouseEnter, onMouseLeave) {
    var currentMatchedChild
    return listenBySelector(container, 'mouseover', selector, function (mouseOverEv, matchedChild) {
      if (matchedChild !== currentMatchedChild) {
        currentMatchedChild = matchedChild
        onMouseEnter(mouseOverEv, matchedChild)
        var realOnMouseLeave_1 = function (mouseLeaveEv) {
          currentMatchedChild = null
          onMouseLeave(mouseLeaveEv, matchedChild)
          matchedChild.removeEventListener('mouseleave', realOnMouseLeave_1)
        }
        // listen to the next mouseleave, and then unattach
        matchedChild.addEventListener('mouseleave', realOnMouseLeave_1)
      }
    })
  }
  // Animation
  // ----------------------------------------------------------------------------------------------------------------
  var transitionEventNames = ['webkitTransitionEnd', 'otransitionend', 'oTransitionEnd', 'msTransitionEnd', 'transitionend']
  // triggered only when the next single subsequent transition finishes
  function whenTransitionDone(el, callback) {
    var realCallback = function (ev) {
      callback(ev)
      transitionEventNames.forEach(function (eventName) {
        el.removeEventListener(eventName, realCallback)
      })
    }
    transitionEventNames.forEach(function (eventName) {
      el.addEventListener(eventName, realCallback) // cross-browser way to determine when the transition finishes
    })
  }

  var guidNumber = 0
  function guid() {
    guidNumber += 1
    return String(guidNumber)
  }
  /* FullCalendar-specific DOM Utilities
    ----------------------------------------------------------------------------------------------------------------------*/
  // Make the mouse cursor express that an event is not allowed in the current area
  function disableCursor() {
    document.body.classList.add('fc-not-allowed')
  }
  // Returns the mouse cursor to its original look
  function enableCursor() {
    document.body.classList.remove('fc-not-allowed')
  }
  /* Selection
    ----------------------------------------------------------------------------------------------------------------------*/
  function preventSelection(el) {
    el.classList.add('fc-unselectable')
    el.addEventListener('selectstart', preventDefault)
  }
  function allowSelection(el) {
    el.classList.remove('fc-unselectable')
    el.removeEventListener('selectstart', preventDefault)
  }
  /* Context Menu
    ----------------------------------------------------------------------------------------------------------------------*/
  function preventContextMenu(el) {
    el.addEventListener('contextmenu', preventDefault)
  }
  function allowContextMenu(el) {
    el.removeEventListener('contextmenu', preventDefault)
  }
  function parseFieldSpecs(input) {
    var specs = []
    var tokens = []
    var i
    var token
    if (typeof input === 'string') {
      tokens = input.split(/\s*,\s*/)
    } else if (typeof input === 'function') {
      tokens = [input]
    } else if (Array.isArray(input)) {
      tokens = input
    }
    for (i = 0; i < tokens.length; i += 1) {
      token = tokens[i]
      if (typeof token === 'string') {
        specs.push(token.charAt(0) === '-' ? { field: token.substring(1), order: -1 } : { field: token, order: 1 })
      } else if (typeof token === 'function') {
        specs.push({ func: token })
      }
    }
    return specs
  }
  function compareByFieldSpecs(obj0, obj1, fieldSpecs) {
    var i
    var cmp
    for (i = 0; i < fieldSpecs.length; i += 1) {
      cmp = compareByFieldSpec(obj0, obj1, fieldSpecs[i])
      if (cmp) {
        return cmp
      }
    }
    return 0
  }
  function compareByFieldSpec(obj0, obj1, fieldSpec) {
    if (fieldSpec.func) {
      return fieldSpec.func(obj0, obj1)
    }
    return flexibleCompare(obj0[fieldSpec.field], obj1[fieldSpec.field]) * (fieldSpec.order || 1)
  }
  function flexibleCompare(a, b) {
    if (!a && !b) {
      return 0
    }
    if (b == null) {
      return -1
    }
    if (a == null) {
      return 1
    }
    if (typeof a === 'string' || typeof b === 'string') {
      return String(a).localeCompare(String(b))
    }
    return a - b
  }
  /* String Utilities
    ----------------------------------------------------------------------------------------------------------------------*/
  function padStart(val, len) {
    var s = String(val)
    return '000'.substr(0, len - s.length) + s
  }
  /* Number Utilities
    ----------------------------------------------------------------------------------------------------------------------*/
  function compareNumbers(a, b) {
    return a - b
  }
  function isInt(n) {
    return n % 1 === 0
  }
  /* FC-specific DOM dimension stuff
    ----------------------------------------------------------------------------------------------------------------------*/
  function computeSmallestCellWidth(cellEl) {
    var allWidthEl = cellEl.querySelector('.fc-scrollgrid-shrink-frame')
    var contentWidthEl = cellEl.querySelector('.fc-scrollgrid-shrink-cushion')
    if (!allWidthEl) {
      throw new Error('needs fc-scrollgrid-shrink-frame className') // TODO: use const
    }
    if (!contentWidthEl) {
      throw new Error('needs fc-scrollgrid-shrink-cushion className')
    }
    return (
      cellEl.getBoundingClientRect().width -
      allWidthEl.getBoundingClientRect().width + // the cell padding+border
      contentWidthEl.getBoundingClientRect().width
    )
  }

  var DAY_IDS = ['sun', 'mon', 'tue', 'wed', 'thu', 'fri', 'sat']
  // Adding
  function addWeeks(m, n) {
    var a = dateToUtcArray(m)
    a[2] += n * 7
    return arrayToUtcDate(a)
  }
  function addDays(m, n) {
    var a = dateToUtcArray(m)
    a[2] += n
    return arrayToUtcDate(a)
  }
  function addMs(m, n) {
    var a = dateToUtcArray(m)
    a[6] += n
    return arrayToUtcDate(a)
  }
  // Diffing (all return floats)
  // TODO: why not use ranges?
  function diffWeeks(m0, m1) {
    return diffDays(m0, m1) / 7
  }
  function diffDays(m0, m1) {
    return (m1.valueOf() - m0.valueOf()) / (1000 * 60 * 60 * 24)
  }
  function diffHours(m0, m1) {
    return (m1.valueOf() - m0.valueOf()) / (1000 * 60 * 60)
  }
  function diffMinutes(m0, m1) {
    return (m1.valueOf() - m0.valueOf()) / (1000 * 60)
  }
  function diffSeconds(m0, m1) {
    return (m1.valueOf() - m0.valueOf()) / 1000
  }
  function diffDayAndTime(m0, m1) {
    var m0day = startOfDay(m0)
    var m1day = startOfDay(m1)
    return {
      years: 0,
      months: 0,
      days: Math.round(diffDays(m0day, m1day)),
      milliseconds: m1.valueOf() - m1day.valueOf() - (m0.valueOf() - m0day.valueOf()),
    }
  }
  // Diffing Whole Units
  function diffWholeWeeks(m0, m1) {
    var d = diffWholeDays(m0, m1)
    if (d !== null && d % 7 === 0) {
      return d / 7
    }
    return null
  }
  function diffWholeDays(m0, m1) {
    if (timeAsMs(m0) === timeAsMs(m1)) {
      return Math.round(diffDays(m0, m1))
    }
    return null
  }
  // Start-Of
  function startOfDay(m) {
    return arrayToUtcDate([m.getUTCFullYear(), m.getUTCMonth(), m.getUTCDate()])
  }
  function startOfHour(m) {
    return arrayToUtcDate([m.getUTCFullYear(), m.getUTCMonth(), m.getUTCDate(), m.getUTCHours()])
  }
  function startOfMinute(m) {
    return arrayToUtcDate([m.getUTCFullYear(), m.getUTCMonth(), m.getUTCDate(), m.getUTCHours(), m.getUTCMinutes()])
  }
  function startOfSecond(m) {
    return arrayToUtcDate([m.getUTCFullYear(), m.getUTCMonth(), m.getUTCDate(), m.getUTCHours(), m.getUTCMinutes(), m.getUTCSeconds()])
  }
  // Week Computation
  function weekOfYear(marker, dow, doy) {
    var y = marker.getUTCFullYear()
    var w = weekOfGivenYear(marker, y, dow, doy)
    if (w < 1) {
      return weekOfGivenYear(marker, y - 1, dow, doy)
    }
    var nextW = weekOfGivenYear(marker, y + 1, dow, doy)
    if (nextW >= 1) {
      return Math.min(w, nextW)
    }
    return w
  }
  function weekOfGivenYear(marker, year, dow, doy) {
    var firstWeekStart = arrayToUtcDate([year, 0, 1 + firstWeekOffset(year, dow, doy)])
    var dayStart = startOfDay(marker)
    var days = Math.round(diffDays(firstWeekStart, dayStart))
    return Math.floor(days / 7) + 1 // zero-indexed
  }
  // start-of-first-week - start-of-year
  function firstWeekOffset(year, dow, doy) {
    // first-week day -- which january is always in the first week (4 for iso, 1 for other)
    var fwd = 7 + dow - doy
    // first-week day local weekday -- which local weekday is fwd
    var fwdlw = (7 + arrayToUtcDate([year, 0, fwd]).getUTCDay() - dow) % 7
    return -fwdlw + fwd - 1
  }
  // Array Conversion
  function dateToLocalArray(date) {
    return [date.getFullYear(), date.getMonth(), date.getDate(), date.getHours(), date.getMinutes(), date.getSeconds(), date.getMilliseconds()]
  }
  function arrayToLocalDate(a) {
    return new Date(
      a[0],
      a[1] || 0,
      a[2] == null ? 1 : a[2], // day of month
      a[3] || 0,
      a[4] || 0,
      a[5] || 0
    )
  }
  function dateToUtcArray(date) {
    return [date.getUTCFullYear(), date.getUTCMonth(), date.getUTCDate(), date.getUTCHours(), date.getUTCMinutes(), date.getUTCSeconds(), date.getUTCMilliseconds()]
  }
  function arrayToUtcDate(a) {
    // according to web standards (and Safari), a month index is required.
    // massage if only given a year.
    if (a.length === 1) {
      a = a.concat([0])
    }
    return new Date(Date.UTC.apply(Date, a))
  }
  // Other Utils
  function isValidDate(m) {
    return !isNaN(m.valueOf())
  }
  function timeAsMs(m) {
    return m.getUTCHours() * 1000 * 60 * 60 + m.getUTCMinutes() * 1000 * 60 + m.getUTCSeconds() * 1000 + m.getUTCMilliseconds()
  }

  function createEventInstance(defId, range, forcedStartTzo, forcedEndTzo) {
    return {
      instanceId: guid(),
      defId: defId,
      range: range,
      forcedStartTzo: forcedStartTzo == null ? null : forcedStartTzo,
      forcedEndTzo: forcedEndTzo == null ? null : forcedEndTzo,
    }
  }

  var hasOwnProperty = Object.prototype.hasOwnProperty
  // Merges an array of objects into a single object.
  // The second argument allows for an array of property names who's object values will be merged together.
  function mergeProps(propObjs, complexPropsMap) {
    var dest = {}
    if (complexPropsMap) {
      for (var name_1 in complexPropsMap) {
        var complexObjs = []
        // collect the trailing object values, stopping when a non-object is discovered
        for (var i = propObjs.length - 1; i >= 0; i -= 1) {
          var val = propObjs[i][name_1]
          if (typeof val === 'object' && val) {
            // non-null object
            complexObjs.unshift(val)
          } else if (val !== undefined) {
            dest[name_1] = val // if there were no objects, this value will be used
            break
          }
        }
        // if the trailing values were objects, use the merged value
        if (complexObjs.length) {
          dest[name_1] = mergeProps(complexObjs)
        }
      }
    }
    // copy values into the destination, going from last to first
    for (var i = propObjs.length - 1; i >= 0; i -= 1) {
      var props = propObjs[i]
      for (var name_2 in props) {
        if (!(name_2 in dest)) {
          // if already assigned by previous props or complex props, don't reassign
          dest[name_2] = props[name_2]
        }
      }
    }
    return dest
  }
  function filterHash(hash, func) {
    var filtered = {}
    for (var key in hash) {
      if (func(hash[key], key)) {
        filtered[key] = hash[key]
      }
    }
    return filtered
  }
  function mapHash(hash, func) {
    var newHash = {}
    for (var key in hash) {
      newHash[key] = func(hash[key], key)
    }
    return newHash
  }
  function arrayToHash(a) {
    var hash = {}
    for (var _i = 0, a_1 = a; _i < a_1.length; _i++) {
      var item = a_1[_i]
      hash[item] = true
    }
    return hash
  }
  function buildHashFromArray(a, func) {
    var hash = {}
    for (var i = 0; i < a.length; i += 1) {
      var tuple = func(a[i], i)
      hash[tuple[0]] = tuple[1]
    }
    return hash
  }
  function hashValuesToArray(obj) {
    var a = []
    for (var key in obj) {
      a.push(obj[key])
    }
    return a
  }
  function isPropsEqual(obj0, obj1) {
    if (obj0 === obj1) {
      return true
    }
    for (var key in obj0) {
      if (hasOwnProperty.call(obj0, key)) {
        if (!(key in obj1)) {
          return false
        }
      }
    }
    for (var key in obj1) {
      if (hasOwnProperty.call(obj1, key)) {
        if (obj0[key] !== obj1[key]) {
          return false
        }
      }
    }
    return true
  }
  function getUnequalProps(obj0, obj1) {
    var keys = []
    for (var key in obj0) {
      if (hasOwnProperty.call(obj0, key)) {
        if (!(key in obj1)) {
          keys.push(key)
        }
      }
    }
    for (var key in obj1) {
      if (hasOwnProperty.call(obj1, key)) {
        if (obj0[key] !== obj1[key]) {
          keys.push(key)
        }
      }
    }
    return keys
  }
  function compareObjs(oldProps, newProps, equalityFuncs) {
    if (equalityFuncs === void 0) {
      equalityFuncs = {}
    }
    if (oldProps === newProps) {
      return true
    }
    for (var key in newProps) {
      if (key in oldProps && isObjValsEqual(oldProps[key], newProps[key], equalityFuncs[key]));
      else {
        return false
      }
    }
    // check for props that were omitted in the new
    for (var key in oldProps) {
      if (!(key in newProps)) {
        return false
      }
    }
    return true
  }
  /*
    assumed "true" equality for handler names like "onReceiveSomething"
    */
  function isObjValsEqual(val0, val1, comparator) {
    if (val0 === val1 || comparator === true) {
      return true
    }
    if (comparator) {
      return comparator(val0, val1)
    }
    return false
  }
  function collectFromHash(hash, startIndex, endIndex, step) {
    if (startIndex === void 0) {
      startIndex = 0
    }
    if (step === void 0) {
      step = 1
    }
    var res = []
    if (endIndex == null) {
      endIndex = Object.keys(hash).length
    }
    for (var i = startIndex; i < endIndex; i += step) {
      var val = hash[i]
      if (val !== undefined) {
        // will disregard undefined for sparse arrays
        res.push(val)
      }
    }
    return res
  }

  function parseRecurring(refined, defaultAllDay, dateEnv, recurringTypes) {
    for (var i = 0; i < recurringTypes.length; i += 1) {
      var parsed = recurringTypes[i].parse(refined, dateEnv)
      if (parsed) {
        var allDay = refined.allDay
        if (allDay == null) {
          allDay = defaultAllDay
          if (allDay == null) {
            allDay = parsed.allDayGuess
            if (allDay == null) {
              allDay = false
            }
          }
        }
        return {
          allDay: allDay,
          duration: parsed.duration,
          typeData: parsed.typeData,
          typeId: i,
        }
      }
    }
    return null
  }
  function expandRecurring(eventStore, framingRange, context) {
    var dateEnv = context.dateEnv,
      pluginHooks = context.pluginHooks,
      options = context.options
    var defs = eventStore.defs,
      instances = eventStore.instances
    // remove existing recurring instances
    // TODO: bad. always expand events as a second step
    instances = filterHash(instances, function (instance) {
      return !defs[instance.defId].recurringDef
    })
    for (var defId in defs) {
      var def = defs[defId]
      if (def.recurringDef) {
        var duration = def.recurringDef.duration
        if (!duration) {
          duration = def.allDay ? options.defaultAllDayEventDuration : options.defaultTimedEventDuration
        }
        var starts = expandRecurringRanges(def, duration, framingRange, dateEnv, pluginHooks.recurringTypes)
        for (var _i = 0, starts_1 = starts; _i < starts_1.length; _i++) {
          var start = starts_1[_i]
          var instance = createEventInstance(defId, {
            start: start,
            end: dateEnv.add(start, duration),
          })
          instances[instance.instanceId] = instance
        }
      }
    }
    return { defs: defs, instances: instances }
  }
  /*
    Event MUST have a recurringDef
    */
  function expandRecurringRanges(eventDef, duration, framingRange, dateEnv, recurringTypes) {
    var typeDef = recurringTypes[eventDef.recurringDef.typeId]
    var markers = typeDef.expand(
      eventDef.recurringDef.typeData,
      {
        start: dateEnv.subtract(framingRange.start, duration),
        end: framingRange.end,
      },
      dateEnv
    )
    // the recurrence plugins don't guarantee that all-day events are start-of-day, so we have to
    if (eventDef.allDay) {
      markers = markers.map(startOfDay)
    }
    return markers
  }

  var INTERNAL_UNITS = ['years', 'months', 'days', 'milliseconds']
  var PARSE_RE = /^(-?)(?:(\d+)\.)?(\d+):(\d\d)(?::(\d\d)(?:\.(\d\d\d))?)?/
  // Parsing and Creation
  function createDuration(input, unit) {
    var _a
    if (typeof input === 'string') {
      return parseString(input)
    }
    if (typeof input === 'object' && input) {
      // non-null object
      return parseObject(input)
    }
    if (typeof input === 'number') {
      return parseObject(((_a = {}), (_a[unit || 'milliseconds'] = input), _a))
    }
    return null
  }
  function parseString(s) {
    var m = PARSE_RE.exec(s)
    if (m) {
      var sign = m[1] ? -1 : 1
      return {
        years: 0,
        months: 0,
        days: sign * (m[2] ? parseInt(m[2], 10) : 0),
        milliseconds:
          sign *
          ((m[3] ? parseInt(m[3], 10) : 0) * 60 * 60 * 1000 + // hours
            (m[4] ? parseInt(m[4], 10) : 0) * 60 * 1000 + // minutes
            (m[5] ? parseInt(m[5], 10) : 0) * 1000 + // seconds
            (m[6] ? parseInt(m[6], 10) : 0)), // ms
      }
    }
    return null
  }
  function parseObject(obj) {
    var duration = {
      years: obj.years || obj.year || 0,
      months: obj.months || obj.month || 0,
      days: obj.days || obj.day || 0,
      milliseconds:
        (obj.hours || obj.hour || 0) * 60 * 60 * 1000 + // hours
        (obj.minutes || obj.minute || 0) * 60 * 1000 + // minutes
        (obj.seconds || obj.second || 0) * 1000 + // seconds
        (obj.milliseconds || obj.millisecond || obj.ms || 0),
    }
    var weeks = obj.weeks || obj.week
    if (weeks) {
      duration.days += weeks * 7
      duration.specifiedWeeks = true
    }
    return duration
  }
  // Equality
  function durationsEqual(d0, d1) {
    return d0.years === d1.years && d0.months === d1.months && d0.days === d1.days && d0.milliseconds === d1.milliseconds
  }
  function asCleanDays(dur) {
    if (!dur.years && !dur.months && !dur.milliseconds) {
      return dur.days
    }
    return 0
  }
  // Simple Math
  function addDurations(d0, d1) {
    return {
      years: d0.years + d1.years,
      months: d0.months + d1.months,
      days: d0.days + d1.days,
      milliseconds: d0.milliseconds + d1.milliseconds,
    }
  }
  function subtractDurations(d1, d0) {
    return {
      years: d1.years - d0.years,
      months: d1.months - d0.months,
      days: d1.days - d0.days,
      milliseconds: d1.milliseconds - d0.milliseconds,
    }
  }
  function multiplyDuration(d, n) {
    return {
      years: d.years * n,
      months: d.months * n,
      days: d.days * n,
      milliseconds: d.milliseconds * n,
    }
  }
  // Conversions
  // "Rough" because they are based on average-case Gregorian months/years
  function asRoughYears(dur) {
    return asRoughDays(dur) / 365
  }
  function asRoughMonths(dur) {
    return asRoughDays(dur) / 30
  }
  function asRoughDays(dur) {
    return asRoughMs(dur) / 864e5
  }
  function asRoughMinutes(dur) {
    return asRoughMs(dur) / (1000 * 60)
  }
  function asRoughSeconds(dur) {
    return asRoughMs(dur) / 1000
  }
  function asRoughMs(dur) {
    return dur.years * (365 * 864e5) + dur.months * (30 * 864e5) + dur.days * 864e5 + dur.milliseconds
  }
  // Advanced Math
  function wholeDivideDurations(numerator, denominator) {
    var res = null
    for (var i = 0; i < INTERNAL_UNITS.length; i += 1) {
      var unit = INTERNAL_UNITS[i]
      if (denominator[unit]) {
        var localRes = numerator[unit] / denominator[unit]
        if (!isInt(localRes) || (res !== null && res !== localRes)) {
          return null
        }
        res = localRes
      } else if (numerator[unit]) {
        // needs to divide by something but can't!
        return null
      }
    }
    return res
  }
  function greatestDurationDenominator(dur) {
    var ms = dur.milliseconds
    if (ms) {
      if (ms % 1000 !== 0) {
        return { unit: 'millisecond', value: ms }
      }
      if (ms % (1000 * 60) !== 0) {
        return { unit: 'second', value: ms / 1000 }
      }
      if (ms % (1000 * 60 * 60) !== 0) {
        return { unit: 'minute', value: ms / (1000 * 60) }
      }
      if (ms) {
        return { unit: 'hour', value: ms / (1000 * 60 * 60) }
      }
    }
    if (dur.days) {
      if (dur.specifiedWeeks && dur.days % 7 === 0) {
        return { unit: 'week', value: dur.days / 7 }
      }
      return { unit: 'day', value: dur.days }
    }
    if (dur.months) {
      return { unit: 'month', value: dur.months }
    }
    if (dur.years) {
      return { unit: 'year', value: dur.years }
    }
    return { unit: 'millisecond', value: 0 }
  }

  // timeZoneOffset is in minutes
  function buildIsoString(marker, timeZoneOffset, stripZeroTime) {
    if (stripZeroTime === void 0) {
      stripZeroTime = false
    }
    var s = marker.toISOString()
    s = s.replace('.000', '')
    if (stripZeroTime) {
      s = s.replace('T00:00:00Z', '')
    }
    if (s.length > 10) {
      // time part wasn't stripped, can add timezone info
      if (timeZoneOffset == null) {
        s = s.replace('Z', '')
      } else if (timeZoneOffset !== 0) {
        s = s.replace('Z', formatTimeZoneOffset(timeZoneOffset, true))
      }
      // otherwise, its UTC-0 and we want to keep the Z
    }
    return s
  }
  // formats the date, but with no time part
  // TODO: somehow merge with buildIsoString and stripZeroTime
  // TODO: rename. omit "string"
  function formatDayString(marker) {
    return marker.toISOString().replace(/T.*$/, '')
  }
  // TODO: use Date::toISOString and use everything after the T?
  function formatIsoTimeString(marker) {
    return padStart(marker.getUTCHours(), 2) + ':' + padStart(marker.getUTCMinutes(), 2) + ':' + padStart(marker.getUTCSeconds(), 2)
  }
  function formatTimeZoneOffset(minutes, doIso) {
    if (doIso === void 0) {
      doIso = false
    }
    var sign = minutes < 0 ? '-' : '+'
    var abs = Math.abs(minutes)
    var hours = Math.floor(abs / 60)
    var mins = Math.round(abs % 60)
    if (doIso) {
      return sign + padStart(hours, 2) + ':' + padStart(mins, 2)
    }
    return 'GMT' + sign + hours + (mins ? ':' + padStart(mins, 2) : '')
  }

  // TODO: new util arrayify?
  function removeExact(array, exactVal) {
    var removeCnt = 0
    var i = 0
    while (i < array.length) {
      if (array[i] === exactVal) {
        array.splice(i, 1)
        removeCnt += 1
      } else {
        i += 1
      }
    }
    return removeCnt
  }
  function isArraysEqual(a0, a1, equalityFunc) {
    if (a0 === a1) {
      return true
    }
    var len = a0.length
    var i
    if (len !== a1.length) {
      // not array? or not same length?
      return false
    }
    for (i = 0; i < len; i += 1) {
      if (!(equalityFunc ? equalityFunc(a0[i], a1[i]) : a0[i] === a1[i])) {
        return false
      }
    }
    return true
  }

  function memoize(workerFunc, resEquality, teardownFunc) {
    var currentArgs
    var currentRes
    return function () {
      var newArgs = []
      for (var _i = 0; _i < arguments.length; _i++) {
        newArgs[_i] = arguments[_i]
      }
      if (!currentArgs) {
        currentRes = workerFunc.apply(this, newArgs)
      } else if (!isArraysEqual(currentArgs, newArgs)) {
        if (teardownFunc) {
          teardownFunc(currentRes)
        }
        var res = workerFunc.apply(this, newArgs)
        if (!resEquality || !resEquality(res, currentRes)) {
          currentRes = res
        }
      }
      currentArgs = newArgs
      return currentRes
    }
  }
  function memoizeObjArg(workerFunc, resEquality, teardownFunc) {
    var _this = this
    var currentArg
    var currentRes
    return function (newArg) {
      if (!currentArg) {
        currentRes = workerFunc.call(_this, newArg)
      } else if (!isPropsEqual(currentArg, newArg)) {
        if (teardownFunc) {
          teardownFunc(currentRes)
        }
        var res = workerFunc.call(_this, newArg)
        if (!resEquality || !resEquality(res, currentRes)) {
          currentRes = res
        }
      }
      currentArg = newArg
      return currentRes
    }
  }
  function memoizeArraylike(workerFunc, resEquality, teardownFunc) {
    // used at all?
    var _this = this
    var currentArgSets = []
    var currentResults = []
    return function (newArgSets) {
      var currentLen = currentArgSets.length
      var newLen = newArgSets.length
      var i = 0
      for (; i < currentLen; i += 1) {
        if (!newArgSets[i]) {
          // one of the old sets no longer exists
          if (teardownFunc) {
            teardownFunc(currentResults[i])
          }
        } else if (!isArraysEqual(currentArgSets[i], newArgSets[i])) {
          if (teardownFunc) {
            teardownFunc(currentResults[i])
          }
          var res = workerFunc.apply(_this, newArgSets[i])
          if (!resEquality || !resEquality(res, currentResults[i])) {
            currentResults[i] = res
          }
        }
      }
      for (; i < newLen; i += 1) {
        currentResults[i] = workerFunc.apply(_this, newArgSets[i])
      }
      currentArgSets = newArgSets
      currentResults.splice(newLen) // remove excess
      return currentResults
    }
  }
  function memoizeHashlike(workerFunc, resEquality, teardownFunc) {
    // used?
    var _this = this
    var currentArgHash = {}
    var currentResHash = {}
    return function (newArgHash) {
      var newResHash = {}
      for (var key in newArgHash) {
        if (!currentResHash[key]) {
          newResHash[key] = workerFunc.apply(_this, newArgHash[key])
        } else if (!isArraysEqual(currentArgHash[key], newArgHash[key])) {
          if (teardownFunc) {
            teardownFunc(currentResHash[key])
          }
          var res = workerFunc.apply(_this, newArgHash[key])
          newResHash[key] = resEquality && resEquality(res, currentResHash[key]) ? currentResHash[key] : res
        } else {
          newResHash[key] = currentResHash[key]
        }
      }
      currentArgHash = newArgHash
      currentResHash = newResHash
      return newResHash
    }
  }

  var EXTENDED_SETTINGS_AND_SEVERITIES = {
    week: 3,
    separator: 0,
    omitZeroMinute: 0,
    meridiem: 0,
    omitCommas: 0,
  }
  var STANDARD_DATE_PROP_SEVERITIES = {
    timeZoneName: 7,
    era: 6,
    year: 5,
    month: 4,
    day: 2,
    weekday: 2,
    hour: 1,
    minute: 1,
    second: 1,
  }
  var MERIDIEM_RE = /\s*([ap])\.?m\.?/i // eats up leading spaces too
  var COMMA_RE = /,/g // we need re for globalness
  var MULTI_SPACE_RE = /\s+/g
  var LTR_RE = /\u200e/g // control character
  var UTC_RE = /UTC|GMT/
  var NativeFormatter = /** @class */ (function () {
    function NativeFormatter(formatSettings) {
      var standardDateProps = {}
      var extendedSettings = {}
      var severity = 0
      for (var name_1 in formatSettings) {
        if (name_1 in EXTENDED_SETTINGS_AND_SEVERITIES) {
          extendedSettings[name_1] = formatSettings[name_1]
          severity = Math.max(EXTENDED_SETTINGS_AND_SEVERITIES[name_1], severity)
        } else {
          standardDateProps[name_1] = formatSettings[name_1]
          if (name_1 in STANDARD_DATE_PROP_SEVERITIES) {
            // TODO: what about hour12? no severity
            severity = Math.max(STANDARD_DATE_PROP_SEVERITIES[name_1], severity)
          }
        }
      }
      this.standardDateProps = standardDateProps
      this.extendedSettings = extendedSettings
      this.severity = severity
      this.buildFormattingFunc = memoize(buildFormattingFunc)
    }
    NativeFormatter.prototype.format = function (date, context) {
      return this.buildFormattingFunc(this.standardDateProps, this.extendedSettings, context)(date)
    }
    NativeFormatter.prototype.formatRange = function (start, end, context, betterDefaultSeparator) {
      var _a = this,
        standardDateProps = _a.standardDateProps,
        extendedSettings = _a.extendedSettings
      var diffSeverity = computeMarkerDiffSeverity(start.marker, end.marker, context.calendarSystem)
      if (!diffSeverity) {
        return this.format(start, context)
      }
      var biggestUnitForPartial = diffSeverity
      if (
        biggestUnitForPartial > 1 && // the two dates are different in a way that's larger scale than time
        (standardDateProps.year === 'numeric' || standardDateProps.year === '2-digit') &&
        (standardDateProps.month === 'numeric' || standardDateProps.month === '2-digit') &&
        (standardDateProps.day === 'numeric' || standardDateProps.day === '2-digit')
      ) {
        biggestUnitForPartial = 1 // make it look like the dates are only different in terms of time
      }
      var full0 = this.format(start, context)
      var full1 = this.format(end, context)
      if (full0 === full1) {
        return full0
      }
      var partialDateProps = computePartialFormattingOptions(standardDateProps, biggestUnitForPartial)
      var partialFormattingFunc = buildFormattingFunc(partialDateProps, extendedSettings, context)
      var partial0 = partialFormattingFunc(start)
      var partial1 = partialFormattingFunc(end)
      var insertion = findCommonInsertion(full0, partial0, full1, partial1)
      var separator = extendedSettings.separator || betterDefaultSeparator || context.defaultSeparator || ''
      if (insertion) {
        return insertion.before + partial0 + separator + partial1 + insertion.after
      }
      return full0 + separator + full1
    }
    NativeFormatter.prototype.getLargestUnit = function () {
      switch (this.severity) {
        case 7:
        case 6:
        case 5:
          return 'year'
        case 4:
          return 'month'
        case 3:
          return 'week'
        case 2:
          return 'day'
        default:
          return 'time' // really?
      }
    }
    return NativeFormatter
  })()
  function buildFormattingFunc(standardDateProps, extendedSettings, context) {
    var standardDatePropCnt = Object.keys(standardDateProps).length
    if (standardDatePropCnt === 1 && standardDateProps.timeZoneName === 'short') {
      return function (date) {
        return formatTimeZoneOffset(date.timeZoneOffset)
      }
    }
    if (standardDatePropCnt === 0 && extendedSettings.week) {
      return function (date) {
        return formatWeekNumber(context.computeWeekNumber(date.marker), context.weekText, context.locale, extendedSettings.week)
      }
    }
    return buildNativeFormattingFunc(standardDateProps, extendedSettings, context)
  }
  function buildNativeFormattingFunc(standardDateProps, extendedSettings, context) {
    standardDateProps = __assign({}, standardDateProps) // copy
    extendedSettings = __assign({}, extendedSettings) // copy
    sanitizeSettings(standardDateProps, extendedSettings)
    standardDateProps.timeZone = 'UTC' // we leverage the only guaranteed timeZone for our UTC markers
    var normalFormat = new Intl.DateTimeFormat(context.locale.codes, standardDateProps)
    var zeroFormat // needed?
    if (extendedSettings.omitZeroMinute) {
      var zeroProps = __assign({}, standardDateProps)
      delete zeroProps.minute // seconds and ms were already considered in sanitizeSettings
      zeroFormat = new Intl.DateTimeFormat(context.locale.codes, zeroProps)
    }
    return function (date) {
      var marker = date.marker
      var format
      if (zeroFormat && !marker.getUTCMinutes()) {
        format = zeroFormat
      } else {
        format = normalFormat
      }
      var s = format.format(marker)
      return postProcess(s, date, standardDateProps, extendedSettings, context)
    }
  }
  function sanitizeSettings(standardDateProps, extendedSettings) {
    // deal with a browser inconsistency where formatting the timezone
    // requires that the hour/minute be present.
    if (standardDateProps.timeZoneName) {
      if (!standardDateProps.hour) {
        standardDateProps.hour = '2-digit'
      }
      if (!standardDateProps.minute) {
        standardDateProps.minute = '2-digit'
      }
    }
    // only support short timezone names
    if (standardDateProps.timeZoneName === 'long') {
      standardDateProps.timeZoneName = 'short'
    }
    // if requesting to display seconds, MUST display minutes
    if (extendedSettings.omitZeroMinute && (standardDateProps.second || standardDateProps.millisecond)) {
      delete extendedSettings.omitZeroMinute
    }
  }
  function postProcess(s, date, standardDateProps, extendedSettings, context) {
    s = s.replace(LTR_RE, '') // remove left-to-right control chars. do first. good for other regexes
    if (standardDateProps.timeZoneName === 'short') {
      s = injectTzoStr(
        s,
        context.timeZone === 'UTC' || date.timeZoneOffset == null
          ? 'UTC' // important to normalize for IE, which does "GMT"
          : formatTimeZoneOffset(date.timeZoneOffset)
      )
    }
    if (extendedSettings.omitCommas) {
      s = s.replace(COMMA_RE, '').trim()
    }
    if (extendedSettings.omitZeroMinute) {
      s = s.replace(':00', '') // zeroFormat doesn't always achieve this
    }
    // ^ do anything that might create adjacent spaces before this point,
    // because MERIDIEM_RE likes to eat up loading spaces
    if (extendedSettings.meridiem === false) {
      s = s.replace(MERIDIEM_RE, '').trim()
    } else if (extendedSettings.meridiem === 'narrow') {
      // a/p
      s = s.replace(MERIDIEM_RE, function (m0, m1) {
        return m1.toLocaleLowerCase()
      })
    } else if (extendedSettings.meridiem === 'short') {
      // am/pm
      s = s.replace(MERIDIEM_RE, function (m0, m1) {
        return m1.toLocaleLowerCase() + 'm'
      })
    } else if (extendedSettings.meridiem === 'lowercase') {
      // other meridiem transformers already converted to lowercase
      s = s.replace(MERIDIEM_RE, function (m0) {
        return m0.toLocaleLowerCase()
      })
    }
    s = s.replace(MULTI_SPACE_RE, ' ')
    s = s.trim()
    return s
  }
  function injectTzoStr(s, tzoStr) {
    var replaced = false
    s = s.replace(UTC_RE, function () {
      replaced = true
      return tzoStr
    })
    // IE11 doesn't include UTC/GMT in the original string, so append to end
    if (!replaced) {
      s += ' ' + tzoStr
    }
    return s
  }
  function formatWeekNumber(num, weekText, locale, display) {
    var parts = []
    if (display === 'narrow') {
      parts.push(weekText)
    } else if (display === 'short') {
      parts.push(weekText, ' ')
    }
    // otherwise, considered 'numeric'
    parts.push(locale.simpleNumberFormat.format(num))
    if (locale.options.direction === 'rtl') {
      // TODO: use control characters instead?
      parts.reverse()
    }
    return parts.join('')
  }
  // Range Formatting Utils
  // 0 = exactly the same
  // 1 = different by time
  // and bigger
  function computeMarkerDiffSeverity(d0, d1, ca) {
    if (ca.getMarkerYear(d0) !== ca.getMarkerYear(d1)) {
      return 5
    }
    if (ca.getMarkerMonth(d0) !== ca.getMarkerMonth(d1)) {
      return 4
    }
    if (ca.getMarkerDay(d0) !== ca.getMarkerDay(d1)) {
      return 2
    }
    if (timeAsMs(d0) !== timeAsMs(d1)) {
      return 1
    }
    return 0
  }
  function computePartialFormattingOptions(options, biggestUnit) {
    var partialOptions = {}
    for (var name_2 in options) {
      if (
        !(name_2 in STANDARD_DATE_PROP_SEVERITIES) || // not a date part prop (like timeZone)
        STANDARD_DATE_PROP_SEVERITIES[name_2] <= biggestUnit
      ) {
        partialOptions[name_2] = options[name_2]
      }
    }
    return partialOptions
  }
  function findCommonInsertion(full0, partial0, full1, partial1) {
    var i0 = 0
    while (i0 < full0.length) {
      var found0 = full0.indexOf(partial0, i0)
      if (found0 === -1) {
        break
      }
      var before0 = full0.substr(0, found0)
      i0 = found0 + partial0.length
      var after0 = full0.substr(i0)
      var i1 = 0
      while (i1 < full1.length) {
        var found1 = full1.indexOf(partial1, i1)
        if (found1 === -1) {
          break
        }
        var before1 = full1.substr(0, found1)
        i1 = found1 + partial1.length
        var after1 = full1.substr(i1)
        if (before0 === before1 && after0 === after1) {
          return {
            before: before0,
            after: after0,
          }
        }
      }
    }
    return null
  }

  function expandZonedMarker(dateInfo, calendarSystem) {
    var a = calendarSystem.markerToArray(dateInfo.marker)
    return {
      marker: dateInfo.marker,
      timeZoneOffset: dateInfo.timeZoneOffset,
      array: a,
      year: a[0],
      month: a[1],
      day: a[2],
      hour: a[3],
      minute: a[4],
      second: a[5],
      millisecond: a[6],
    }
  }

  function createVerboseFormattingArg(start, end, context, betterDefaultSeparator) {
    var startInfo = expandZonedMarker(start, context.calendarSystem)
    var endInfo = end ? expandZonedMarker(end, context.calendarSystem) : null
    return {
      date: startInfo,
      start: startInfo,
      end: endInfo,
      timeZone: context.timeZone,
      localeCodes: context.locale.codes,
      defaultSeparator: betterDefaultSeparator || context.defaultSeparator,
    }
  }

  /*
    TODO: fix the terminology of "formatter" vs "formatting func"
    */
  /*
    At the time of instantiation, this object does not know which cmd-formatting system it will use.
    It receives this at the time of formatting, as a setting.
    */
  var CmdFormatter = /** @class */ (function () {
    function CmdFormatter(cmdStr) {
      this.cmdStr = cmdStr
    }
    CmdFormatter.prototype.format = function (date, context, betterDefaultSeparator) {
      return context.cmdFormatter(this.cmdStr, createVerboseFormattingArg(date, null, context, betterDefaultSeparator))
    }
    CmdFormatter.prototype.formatRange = function (start, end, context, betterDefaultSeparator) {
      return context.cmdFormatter(this.cmdStr, createVerboseFormattingArg(start, end, context, betterDefaultSeparator))
    }
    return CmdFormatter
  })()

  var FuncFormatter = /** @class */ (function () {
    function FuncFormatter(func) {
      this.func = func
    }
    FuncFormatter.prototype.format = function (date, context, betterDefaultSeparator) {
      return this.func(createVerboseFormattingArg(date, null, context, betterDefaultSeparator))
    }
    FuncFormatter.prototype.formatRange = function (start, end, context, betterDefaultSeparator) {
      return this.func(createVerboseFormattingArg(start, end, context, betterDefaultSeparator))
    }
    return FuncFormatter
  })()

  function createFormatter(input) {
    if (typeof input === 'object' && input) {
      // non-null object
      return new NativeFormatter(input)
    }
    if (typeof input === 'string') {
      return new CmdFormatter(input)
    }
    if (typeof input === 'function') {
      return new FuncFormatter(input)
    }
    return null
  }

  // base options
  // ------------
  var BASE_OPTION_REFINERS = {
    navLinkDayClick: identity,
    navLinkWeekClick: identity,
    duration: createDuration,
    bootstrapFontAwesome: identity,
    buttonIcons: identity,
    customButtons: identity,
    defaultAllDayEventDuration: createDuration,
    defaultTimedEventDuration: createDuration,
    nextDayThreshold: createDuration,
    scrollTime: createDuration,
    slotMinTime: createDuration,
    slotMaxTime: createDuration,
    dayPopoverFormat: createFormatter,
    slotDuration: createDuration,
    snapDuration: createDuration,
    headerToolbar: identity,
    footerToolbar: identity,
    defaultRangeSeparator: String,
    titleRangeSeparator: String,
    forceEventDuration: Boolean,
    dayHeaders: Boolean,
    dayHeaderFormat: createFormatter,
    dayHeaderClassNames: identity,
    dayHeaderContent: identity,
    dayHeaderDidMount: identity,
    dayHeaderWillUnmount: identity,
    dayCellClassNames: identity,
    dayCellContent: identity,
    dayCellDidMount: identity,
    dayCellWillUnmount: identity,
    initialView: String,
    aspectRatio: Number,
    weekends: Boolean,
    weekNumberCalculation: identity,
    weekNumbers: Boolean,
    weekNumberClassNames: identity,
    weekNumberContent: identity,
    weekNumberDidMount: identity,
    weekNumberWillUnmount: identity,
    editable: Boolean,
    viewClassNames: identity,
    viewDidMount: identity,
    viewWillUnmount: identity,
    nowIndicator: Boolean,
    nowIndicatorClassNames: identity,
    nowIndicatorContent: identity,
    nowIndicatorDidMount: identity,
    nowIndicatorWillUnmount: identity,
    showNonCurrentDates: Boolean,
    lazyFetching: Boolean,
    startParam: String,
    endParam: String,
    timeZoneParam: String,
    timeZone: String,
    locales: identity,
    locale: identity,
    themeSystem: String,
    dragRevertDuration: Number,
    dragScroll: Boolean,
    allDayMaintainDuration: Boolean,
    unselectAuto: Boolean,
    dropAccept: identity,
    eventOrder: parseFieldSpecs,
    handleWindowResize: Boolean,
    windowResizeDelay: Number,
    longPressDelay: Number,
    eventDragMinDistance: Number,
    expandRows: Boolean,
    height: identity,
    contentHeight: identity,
    direction: String,
    weekNumberFormat: createFormatter,
    eventResizableFromStart: Boolean,
    displayEventTime: Boolean,
    displayEventEnd: Boolean,
    weekText: String,
    progressiveEventRendering: Boolean,
    businessHours: identity,
    initialDate: identity,
    now: identity,
    eventDataTransform: identity,
    stickyHeaderDates: identity,
    stickyFooterScrollbar: identity,
    viewHeight: identity,
    defaultAllDay: Boolean,
    eventSourceFailure: identity,
    eventSourceSuccess: identity,
    eventDisplay: String,
    eventStartEditable: Boolean,
    eventDurationEditable: Boolean,
    eventOverlap: identity,
    eventConstraint: identity,
    eventAllow: identity,
    eventBackgroundColor: String,
    eventBorderColor: String,
    eventTextColor: String,
    eventColor: String,
    eventClassNames: identity,
    eventContent: identity,
    eventDidMount: identity,
    eventWillUnmount: identity,
    selectConstraint: identity,
    selectOverlap: identity,
    selectAllow: identity,
    droppable: Boolean,
    unselectCancel: String,
    slotLabelFormat: identity,
    slotLaneClassNames: identity,
    slotLaneContent: identity,
    slotLaneDidMount: identity,
    slotLaneWillUnmount: identity,
    slotLabelClassNames: identity,
    slotLabelContent: identity,
    slotLabelDidMount: identity,
    slotLabelWillUnmount: identity,
    dayMaxEvents: identity,
    dayMaxEventRows: identity,
    dayMinWidth: Number,
    slotLabelInterval: createDuration,
    allDayText: String,
    allDayClassNames: identity,
    allDayContent: identity,
    allDayDidMount: identity,
    allDayWillUnmount: identity,
    slotMinWidth: Number,
    navLinks: Boolean,
    eventTimeFormat: createFormatter,
    rerenderDelay: Number,
    moreLinkText: identity,
    selectMinDistance: Number,
    selectable: Boolean,
    selectLongPressDelay: Number,
    eventLongPressDelay: Number,
    selectMirror: Boolean,
    eventMinHeight: Number,
    slotEventOverlap: Boolean,
    plugins: identity,
    firstDay: Number,
    dayCount: Number,
    dateAlignment: String,
    dateIncrement: createDuration,
    hiddenDays: identity,
    monthMode: Boolean,
    fixedWeekCount: Boolean,
    validRange: identity,
    visibleRange: identity,
    titleFormat: identity,
    // only used by list-view, but languages define the value, so we need it in base options
    noEventsText: String,
  }
  // do NOT give a type here. need `typeof BASE_OPTION_DEFAULTS` to give real results.
  // raw values.
  var BASE_OPTION_DEFAULTS = {
    eventDisplay: 'auto',
    defaultRangeSeparator: ' - ',
    titleRangeSeparator: ' \u2013 ',
    defaultTimedEventDuration: '01:00:00',
    defaultAllDayEventDuration: { day: 1 },
    forceEventDuration: false,
    nextDayThreshold: '00:00:00',
    dayHeaders: true,
    initialView: '',
    aspectRatio: 1.35,
    headerToolbar: {
      start: 'title',
      center: '',
      end: 'today prev,next',
    },
    weekends: true,
    weekNumbers: false,
    weekNumberCalculation: 'local',
    editable: false,
    nowIndicator: false,
    scrollTime: '06:00:00',
    slotMinTime: '00:00:00',
    slotMaxTime: '24:00:00',
    showNonCurrentDates: true,
    lazyFetching: true,
    startParam: 'start',
    endParam: 'end',
    timeZoneParam: 'timeZone',
    timeZone: 'local',
    locales: [],
    locale: '',
    themeSystem: 'standard',
    dragRevertDuration: 500,
    dragScroll: true,
    allDayMaintainDuration: false,
    unselectAuto: true,
    dropAccept: '*',
    eventOrder: 'start,-duration,allDay,title',
    dayPopoverFormat: { month: 'long', day: 'numeric', year: 'numeric' },
    handleWindowResize: true,
    windowResizeDelay: 100,
    longPressDelay: 1000,
    eventDragMinDistance: 5,
    expandRows: false,
    navLinks: false,
    selectable: false,
  }
  // calendar listeners
  // ------------------
  var CALENDAR_LISTENER_REFINERS = {
    datesSet: identity,
    eventsSet: identity,
    eventAdd: identity,
    eventChange: identity,
    eventRemove: identity,
    windowResize: identity,
    eventClick: identity,
    eventMouseEnter: identity,
    eventMouseLeave: identity,
    select: identity,
    unselect: identity,
    loading: identity,
    // internal
    _unmount: identity,
    _beforeprint: identity,
    _afterprint: identity,
    _noEventDrop: identity,
    _noEventResize: identity,
    _resize: identity,
    _scrollRequest: identity,
  }
  // calendar-specific options
  // -------------------------
  var CALENDAR_OPTION_REFINERS = {
    buttonText: identity,
    views: identity,
    plugins: identity,
    initialEvents: identity,
    events: identity,
    eventSources: identity,
  }
  var COMPLEX_OPTION_COMPARATORS = {
    headerToolbar: isBoolComplexEqual,
    footerToolbar: isBoolComplexEqual,
    buttonText: isBoolComplexEqual,
    buttonIcons: isBoolComplexEqual,
  }
  function isBoolComplexEqual(a, b) {
    if (typeof a === 'object' && typeof b === 'object' && a && b) {
      // both non-null objects
      return isPropsEqual(a, b)
    }
    return a === b
  }
  // view-specific options
  // ---------------------
  var VIEW_OPTION_REFINERS = {
    type: String,
    component: identity,
    buttonText: String,
    buttonTextKey: String,
    dateProfileGeneratorClass: identity,
    usesMinMaxTime: Boolean,
    classNames: identity,
    content: identity,
    didMount: identity,
    willUnmount: identity,
  }
  // util funcs
  // ----------------------------------------------------------------------------------------------------
  function mergeRawOptions(optionSets) {
    return mergeProps(optionSets, COMPLEX_OPTION_COMPARATORS)
  }
  function refineProps(input, refiners) {
    var refined = {}
    var extra = {}
    for (var propName in refiners) {
      if (propName in input) {
        refined[propName] = refiners[propName](input[propName])
      }
    }
    for (var propName in input) {
      if (!(propName in refiners)) {
        extra[propName] = input[propName]
      }
    }
    return { refined: refined, extra: extra }
  }
  function identity(raw) {
    return raw
  }

  function parseEvents(rawEvents, eventSource, context, allowOpenRange) {
    var eventStore = createEmptyEventStore()
    var eventRefiners = buildEventRefiners(context)
    for (var _i = 0, rawEvents_1 = rawEvents; _i < rawEvents_1.length; _i++) {
      var rawEvent = rawEvents_1[_i]
      var tuple = parseEvent(rawEvent, eventSource, context, allowOpenRange, eventRefiners)
      if (tuple) {
        eventTupleToStore(tuple, eventStore)
      }
    }
    return eventStore
  }
  function eventTupleToStore(tuple, eventStore) {
    if (eventStore === void 0) {
      eventStore = createEmptyEventStore()
    }
    eventStore.defs[tuple.def.defId] = tuple.def
    if (tuple.instance) {
      eventStore.instances[tuple.instance.instanceId] = tuple.instance
    }
    return eventStore
  }
  // retrieves events that have the same groupId as the instance specified by `instanceId`
  // or they are the same as the instance.
  // why might instanceId not be in the store? an event from another calendar?
  function getRelevantEvents(eventStore, instanceId) {
    var instance = eventStore.instances[instanceId]
    if (instance) {
      var def_1 = eventStore.defs[instance.defId]
      // get events/instances with same group
      var newStore = filterEventStoreDefs(eventStore, function (lookDef) {
        return isEventDefsGrouped(def_1, lookDef)
      })
      // add the original
      // TODO: wish we could use eventTupleToStore or something like it
      newStore.defs[def_1.defId] = def_1
      newStore.instances[instance.instanceId] = instance
      return newStore
    }
    return createEmptyEventStore()
  }
  function isEventDefsGrouped(def0, def1) {
    return Boolean(def0.groupId && def0.groupId === def1.groupId)
  }
  function createEmptyEventStore() {
    return { defs: {}, instances: {} }
  }
  function mergeEventStores(store0, store1) {
    return {
      defs: __assign(__assign({}, store0.defs), store1.defs),
      instances: __assign(__assign({}, store0.instances), store1.instances),
    }
  }
  function filterEventStoreDefs(eventStore, filterFunc) {
    var defs = filterHash(eventStore.defs, filterFunc)
    var instances = filterHash(eventStore.instances, function (instance) {
      return defs[instance.defId] // still exists?
    })
    return { defs: defs, instances: instances }
  }
  function excludeSubEventStore(master, sub) {
    var defs = master.defs,
      instances = master.instances
    var filteredDefs = {}
    var filteredInstances = {}
    for (var defId in defs) {
      if (!sub.defs[defId]) {
        // not explicitly excluded
        filteredDefs[defId] = defs[defId]
      }
    }
    for (var instanceId in instances) {
      if (
        !sub.instances[instanceId] && // not explicitly excluded
        filteredDefs[instances[instanceId].defId] // def wasn't filtered away
      ) {
        filteredInstances[instanceId] = instances[instanceId]
      }
    }
    return {
      defs: filteredDefs,
      instances: filteredInstances,
    }
  }

  function normalizeConstraint(input, context) {
    if (Array.isArray(input)) {
      return parseEvents(input, null, context, true) // allowOpenRange=true
    }
    if (typeof input === 'object' && input) {
      // non-null object
      return parseEvents([input], null, context, true) // allowOpenRange=true
    }
    if (input != null) {
      return String(input)
    }
    return null
  }

  function parseClassNames(raw) {
    if (Array.isArray(raw)) {
      return raw
    }
    if (typeof raw === 'string') {
      return raw.split(/\s+/)
    }
    return []
  }

  // TODO: better called "EventSettings" or "EventConfig"
  // TODO: move this file into structs
  // TODO: separate constraint/overlap/allow, because selection uses only that, not other props
  var EVENT_UI_REFINERS = {
    display: String,
    editable: Boolean,
    startEditable: Boolean,
    durationEditable: Boolean,
    constraint: identity,
    overlap: identity,
    allow: identity,
    className: parseClassNames,
    classNames: parseClassNames,
    color: String,
    backgroundColor: String,
    borderColor: String,
    textColor: String,
  }
  var EMPTY_EVENT_UI = {
    display: null,
    startEditable: null,
    durationEditable: null,
    constraints: [],
    overlap: null,
    allows: [],
    backgroundColor: '',
    borderColor: '',
    textColor: '',
    classNames: [],
  }
  function createEventUi(refined, context) {
    var constraint = normalizeConstraint(refined.constraint, context)
    return {
      display: refined.display || null,
      startEditable: refined.startEditable != null ? refined.startEditable : refined.editable,
      durationEditable: refined.durationEditable != null ? refined.durationEditable : refined.editable,
      constraints: constraint != null ? [constraint] : [],
      overlap: refined.overlap != null ? refined.overlap : null,
      allows: refined.allow != null ? [refined.allow] : [],
      backgroundColor: refined.backgroundColor || refined.color || '',
      borderColor: refined.borderColor || refined.color || '',
      textColor: refined.textColor || '',
      classNames: (refined.className || []).concat(refined.classNames || []),
    }
  }
  // TODO: prevent against problems with <2 args!
  function combineEventUis(uis) {
    return uis.reduce(combineTwoEventUis, EMPTY_EVENT_UI)
  }
  function combineTwoEventUis(item0, item1) {
    return {
      display: item1.display != null ? item1.display : item0.display,
      startEditable: item1.startEditable != null ? item1.startEditable : item0.startEditable,
      durationEditable: item1.durationEditable != null ? item1.durationEditable : item0.durationEditable,
      constraints: item0.constraints.concat(item1.constraints),
      overlap: typeof item1.overlap === 'boolean' ? item1.overlap : item0.overlap,
      allows: item0.allows.concat(item1.allows),
      backgroundColor: item1.backgroundColor || item0.backgroundColor,
      borderColor: item1.borderColor || item0.borderColor,
      textColor: item1.textColor || item0.textColor,
      classNames: item0.classNames.concat(item1.classNames),
    }
  }

  var EVENT_NON_DATE_REFINERS = {
    id: String,
    groupId: String,
    title: String,
    url: String,
  }
  var EVENT_DATE_REFINERS = {
    start: identity,
    end: identity,
    date: identity,
    allDay: Boolean,
  }
  var EVENT_REFINERS = __assign(__assign(__assign({}, EVENT_NON_DATE_REFINERS), EVENT_DATE_REFINERS), { extendedProps: identity })
  function parseEvent(raw, eventSource, context, allowOpenRange, refiners) {
    if (refiners === void 0) {
      refiners = buildEventRefiners(context)
    }
    var _a = refineEventDef(raw, context, refiners),
      refined = _a.refined,
      extra = _a.extra
    var defaultAllDay = computeIsDefaultAllDay(eventSource, context)
    var recurringRes = parseRecurring(refined, defaultAllDay, context.dateEnv, context.pluginHooks.recurringTypes)
    if (recurringRes) {
      var def = parseEventDef(refined, extra, eventSource ? eventSource.sourceId : '', recurringRes.allDay, Boolean(recurringRes.duration), context)
      def.recurringDef = {
        typeId: recurringRes.typeId,
        typeData: recurringRes.typeData,
        duration: recurringRes.duration,
      }
      return { def: def, instance: null }
    }
    var singleRes = parseSingle(refined, defaultAllDay, context, allowOpenRange)
    if (singleRes) {
      var def = parseEventDef(refined, extra, eventSource ? eventSource.sourceId : '', singleRes.allDay, singleRes.hasEnd, context)
      var instance = createEventInstance(def.defId, singleRes.range, singleRes.forcedStartTzo, singleRes.forcedEndTzo)
      return { def: def, instance: instance }
    }
    return null
  }
  function refineEventDef(raw, context, refiners) {
    if (refiners === void 0) {
      refiners = buildEventRefiners(context)
    }
    return refineProps(raw, refiners)
  }
  function buildEventRefiners(context) {
    return __assign(__assign(__assign({}, EVENT_UI_REFINERS), EVENT_REFINERS), context.pluginHooks.eventRefiners)
  }
  /*
    Will NOT populate extendedProps with the leftover properties.
    Will NOT populate date-related props.
    */
  function parseEventDef(refined, extra, sourceId, allDay, hasEnd, context) {
    var def = {
      title: refined.title || '',
      groupId: refined.groupId || '',
      publicId: refined.id || '',
      url: refined.url || '',
      recurringDef: null,
      defId: guid(),
      sourceId: sourceId,
      allDay: allDay,
      hasEnd: hasEnd,
      ui: createEventUi(refined, context),
      extendedProps: __assign(__assign({}, refined.extendedProps || {}), extra),
    }
    for (var _i = 0, _a = context.pluginHooks.eventDefMemberAdders; _i < _a.length; _i++) {
      var memberAdder = _a[_i]
      __assign(def, memberAdder(refined))
    }
    // help out EventApi from having user modify props
    Object.freeze(def.ui.classNames)
    Object.freeze(def.extendedProps)
    return def
  }
  function parseSingle(refined, defaultAllDay, context, allowOpenRange) {
    var allDay = refined.allDay
    var startMeta
    var startMarker = null
    var hasEnd = false
    var endMeta
    var endMarker = null
    var startInput = refined.start != null ? refined.start : refined.date
    startMeta = context.dateEnv.createMarkerMeta(startInput)
    if (startMeta) {
      startMarker = startMeta.marker
    } else if (!allowOpenRange) {
      return null
    }
    if (refined.end != null) {
      endMeta = context.dateEnv.createMarkerMeta(refined.end)
    }
    if (allDay == null) {
      if (defaultAllDay != null) {
        allDay = defaultAllDay
      } else {
        // fall back to the date props LAST
        allDay = (!startMeta || startMeta.isTimeUnspecified) && (!endMeta || endMeta.isTimeUnspecified)
      }
    }
    if (allDay && startMarker) {
      startMarker = startOfDay(startMarker)
    }
    if (endMeta) {
      endMarker = endMeta.marker
      if (allDay) {
        endMarker = startOfDay(endMarker)
      }
      if (startMarker && endMarker <= startMarker) {
        endMarker = null
      }
    }
    if (endMarker) {
      hasEnd = true
    } else if (!allowOpenRange) {
      hasEnd = context.options.forceEventDuration || false
      endMarker = context.dateEnv.add(startMarker, allDay ? context.options.defaultAllDayEventDuration : context.options.defaultTimedEventDuration)
    }
    return {
      allDay: allDay,
      hasEnd: hasEnd,
      range: { start: startMarker, end: endMarker },
      forcedStartTzo: startMeta ? startMeta.forcedTzo : null,
      forcedEndTzo: endMeta ? endMeta.forcedTzo : null,
    }
  }
  function computeIsDefaultAllDay(eventSource, context) {
    var res = null
    if (eventSource) {
      res = eventSource.defaultAllDay
    }
    if (res == null) {
      res = context.options.defaultAllDay
    }
    return res
  }

  /* Date stuff that doesn't belong in datelib core
    ----------------------------------------------------------------------------------------------------------------------*/
  // given a timed range, computes an all-day range that has the same exact duration,
  // but whose start time is aligned with the start of the day.
  function computeAlignedDayRange(timedRange) {
    var dayCnt = Math.floor(diffDays(timedRange.start, timedRange.end)) || 1
    var start = startOfDay(timedRange.start)
    var end = addDays(start, dayCnt)
    return { start: start, end: end }
  }
  // given a timed range, computes an all-day range based on how for the end date bleeds into the next day
  // TODO: give nextDayThreshold a default arg
  function computeVisibleDayRange(timedRange, nextDayThreshold) {
    if (nextDayThreshold === void 0) {
      nextDayThreshold = createDuration(0)
    }
    var startDay = null
    var endDay = null
    if (timedRange.end) {
      endDay = startOfDay(timedRange.end)
      var endTimeMS = timedRange.end.valueOf() - endDay.valueOf() // # of milliseconds into `endDay`
      // If the end time is actually inclusively part of the next day and is equal to or
      // beyond the next day threshold, adjust the end to be the exclusive end of `endDay`.
      // Otherwise, leaving it as inclusive will cause it to exclude `endDay`.
      if (endTimeMS && endTimeMS >= asRoughMs(nextDayThreshold)) {
        endDay = addDays(endDay, 1)
      }
    }
    if (timedRange.start) {
      startDay = startOfDay(timedRange.start) // the beginning of the day the range starts
      // If end is within `startDay` but not past nextDayThreshold, assign the default duration of one day.
      if (endDay && endDay <= startDay) {
        endDay = addDays(startDay, 1)
      }
    }
    return { start: startDay, end: endDay }
  }
  // spans from one day into another?
  function isMultiDayRange(range) {
    var visibleRange = computeVisibleDayRange(range)
    return diffDays(visibleRange.start, visibleRange.end) > 1
  }
  function diffDates(date0, date1, dateEnv, largeUnit) {
    if (largeUnit === 'year') {
      return createDuration(dateEnv.diffWholeYears(date0, date1), 'year')
    }
    if (largeUnit === 'month') {
      return createDuration(dateEnv.diffWholeMonths(date0, date1), 'month')
    }
    return diffDayAndTime(date0, date1) // returns a duration
  }

  function parseRange(input, dateEnv) {
    var start = null
    var end = null
    if (input.start) {
      start = dateEnv.createMarker(input.start)
    }
    if (input.end) {
      end = dateEnv.createMarker(input.end)
    }
    if (!start && !end) {
      return null
    }
    if (start && end && end < start) {
      return null
    }
    return { start: start, end: end }
  }
  // SIDE-EFFECT: will mutate ranges.
  // Will return a new array result.
  function invertRanges(ranges, constraintRange) {
    var invertedRanges = []
    var start = constraintRange.start // the end of the previous range. the start of the new range
    var i
    var dateRange
    // ranges need to be in order. required for our date-walking algorithm
    ranges.sort(compareRanges)
    for (i = 0; i < ranges.length; i += 1) {
      dateRange = ranges[i]
      // add the span of time before the event (if there is any)
      if (dateRange.start > start) {
        // compare millisecond time (skip any ambig logic)
        invertedRanges.push({ start: start, end: dateRange.start })
      }
      if (dateRange.end > start) {
        start = dateRange.end
      }
    }
    // add the span of time after the last event (if there is any)
    if (start < constraintRange.end) {
      // compare millisecond time (skip any ambig logic)
      invertedRanges.push({ start: start, end: constraintRange.end })
    }
    return invertedRanges
  }
  function compareRanges(range0, range1) {
    return range0.start.valueOf() - range1.start.valueOf() // earlier ranges go first
  }
  function intersectRanges(range0, range1) {
    var start = range0.start,
      end = range0.end
    var newRange = null
    if (range1.start !== null) {
      if (start === null) {
        start = range1.start
      } else {
        start = new Date(Math.max(start.valueOf(), range1.start.valueOf()))
      }
    }
    if (range1.end != null) {
      if (end === null) {
        end = range1.end
      } else {
        end = new Date(Math.min(end.valueOf(), range1.end.valueOf()))
      }
    }
    if (start === null || end === null || start < end) {
      newRange = { start: start, end: end }
    }
    return newRange
  }
  function rangesEqual(range0, range1) {
    return (
      (range0.start === null ? null : range0.start.valueOf()) === (range1.start === null ? null : range1.start.valueOf()) &&
      (range0.end === null ? null : range0.end.valueOf()) === (range1.end === null ? null : range1.end.valueOf())
    )
  }
  function rangesIntersect(range0, range1) {
    return (range0.end === null || range1.start === null || range0.end > range1.start) && (range0.start === null || range1.end === null || range0.start < range1.end)
  }
  function rangeContainsRange(outerRange, innerRange) {
    return (
      (outerRange.start === null || (innerRange.start !== null && innerRange.start >= outerRange.start)) && (outerRange.end === null || (innerRange.end !== null && innerRange.end <= outerRange.end))
    )
  }
  function rangeContainsMarker(range, date) {
    return (range.start === null || date >= range.start) && (range.end === null || date < range.end)
  }
  // If the given date is not within the given range, move it inside.
  // (If it's past the end, make it one millisecond before the end).
  function constrainMarkerToRange(date, range) {
    if (range.start != null && date < range.start) {
      return range.start
    }
    if (range.end != null && date >= range.end) {
      return new Date(range.end.valueOf() - 1)
    }
    return date
  }

  /*
    Specifying nextDayThreshold signals that all-day ranges should be sliced.
    */
  function sliceEventStore(eventStore, eventUiBases, framingRange, nextDayThreshold) {
    var inverseBgByGroupId = {}
    var inverseBgByDefId = {}
    var defByGroupId = {}
    var bgRanges = []
    var fgRanges = []
    var eventUis = compileEventUis(eventStore.defs, eventUiBases)
    for (var defId in eventStore.defs) {
      var def = eventStore.defs[defId]
      var ui = eventUis[def.defId]
      if (ui.display === 'inverse-background') {
        if (def.groupId) {
          inverseBgByGroupId[def.groupId] = []
          if (!defByGroupId[def.groupId]) {
            defByGroupId[def.groupId] = def
          }
        } else {
          inverseBgByDefId[defId] = []
        }
      }
    }
    for (var instanceId in eventStore.instances) {
      var instance = eventStore.instances[instanceId]
      var def = eventStore.defs[instance.defId]
      var ui = eventUis[def.defId]
      var origRange = instance.range
      var normalRange = !def.allDay && nextDayThreshold ? computeVisibleDayRange(origRange, nextDayThreshold) : origRange
      var slicedRange = intersectRanges(normalRange, framingRange)
      if (slicedRange) {
        if (ui.display === 'inverse-background') {
          if (def.groupId) {
            inverseBgByGroupId[def.groupId].push(slicedRange)
          } else {
            inverseBgByDefId[instance.defId].push(slicedRange)
          }
        } else if (ui.display !== 'none') {
          ;(ui.display === 'background' ? bgRanges : fgRanges).push({
            def: def,
            ui: ui,
            instance: instance,
            range: slicedRange,
            isStart: normalRange.start && normalRange.start.valueOf() === slicedRange.start.valueOf(),
            isEnd: normalRange.end && normalRange.end.valueOf() === slicedRange.end.valueOf(),
          })
        }
      }
    }
    for (var groupId in inverseBgByGroupId) {
      // BY GROUP
      var ranges = inverseBgByGroupId[groupId]
      var invertedRanges = invertRanges(ranges, framingRange)
      for (var _i = 0, invertedRanges_1 = invertedRanges; _i < invertedRanges_1.length; _i++) {
        var invertedRange = invertedRanges_1[_i]
        var def = defByGroupId[groupId]
        var ui = eventUis[def.defId]
        bgRanges.push({
          def: def,
          ui: ui,
          instance: null,
          range: invertedRange,
          isStart: false,
          isEnd: false,
        })
      }
    }
    for (var defId in inverseBgByDefId) {
      var ranges = inverseBgByDefId[defId]
      var invertedRanges = invertRanges(ranges, framingRange)
      for (var _a = 0, invertedRanges_2 = invertedRanges; _a < invertedRanges_2.length; _a++) {
        var invertedRange = invertedRanges_2[_a]
        bgRanges.push({
          def: eventStore.defs[defId],
          ui: eventUis[defId],
          instance: null,
          range: invertedRange,
          isStart: false,
          isEnd: false,
        })
      }
    }
    return { bg: bgRanges, fg: fgRanges }
  }
  function hasBgRendering(def) {
    return def.ui.display === 'background' || def.ui.display === 'inverse-background'
  }
  function setElSeg(el, seg) {
    el.fcSeg = seg
  }
  function getElSeg(el) {
    return (
      el.fcSeg ||
      el.parentNode.fcSeg || // for the harness
      null
    )
  }
  // event ui computation
  function compileEventUis(eventDefs, eventUiBases) {
    return mapHash(eventDefs, function (eventDef) {
      return compileEventUi(eventDef, eventUiBases)
    })
  }
  function compileEventUi(eventDef, eventUiBases) {
    var uis = []
    if (eventUiBases['']) {
      uis.push(eventUiBases[''])
    }
    if (eventUiBases[eventDef.defId]) {
      uis.push(eventUiBases[eventDef.defId])
    }
    uis.push(eventDef.ui)
    return combineEventUis(uis)
  }
  function sortEventSegs(segs, eventOrderSpecs) {
    var objs = segs.map(buildSegCompareObj)
    objs.sort(function (obj0, obj1) {
      return compareByFieldSpecs(obj0, obj1, eventOrderSpecs)
    })
    return objs.map(function (c) {
      return c._seg
    })
  }
  // returns a object with all primitive props that can be compared
  function buildSegCompareObj(seg) {
    var eventRange = seg.eventRange
    var eventDef = eventRange.def
    var range = eventRange.instance ? eventRange.instance.range : eventRange.range
    var start = range.start ? range.start.valueOf() : 0 // TODO: better support for open-range events
    var end = range.end ? range.end.valueOf() : 0 // "
    return __assign(__assign(__assign({}, eventDef.extendedProps), eventDef), {
      id: eventDef.publicId,
      start: start,
      end: end,
      duration: end - start,
      allDay: Number(eventDef.allDay),
      _seg: seg,
    })
  }
  function computeSegDraggable(seg, context) {
    var pluginHooks = context.pluginHooks
    var transformers = pluginHooks.isDraggableTransformers
    var _a = seg.eventRange,
      def = _a.def,
      ui = _a.ui
    var val = ui.startEditable
    for (var _i = 0, transformers_1 = transformers; _i < transformers_1.length; _i++) {
      var transformer = transformers_1[_i]
      val = transformer(val, def, ui, context)
    }
    return val
  }
  function computeSegStartResizable(seg, context) {
    return seg.isStart && seg.eventRange.ui.durationEditable && context.options.eventResizableFromStart
  }
  function computeSegEndResizable(seg, context) {
    return seg.isEnd && seg.eventRange.ui.durationEditable
  }
  function buildSegTimeText(
    seg,
    timeFormat,
    context,
    defaultDisplayEventTime, // defaults to true
    defaultDisplayEventEnd, // defaults to true
    startOverride,
    endOverride
  ) {
    var dateEnv = context.dateEnv,
      options = context.options
    var displayEventTime = options.displayEventTime,
      displayEventEnd = options.displayEventEnd
    var eventDef = seg.eventRange.def
    var eventInstance = seg.eventRange.instance
    if (displayEventTime == null) {
      displayEventTime = defaultDisplayEventTime !== false
    }
    if (displayEventEnd == null) {
      displayEventEnd = defaultDisplayEventEnd !== false
    }
    if (displayEventTime && !eventDef.allDay && (seg.isStart || seg.isEnd)) {
      var segStart = startOverride || (seg.isStart ? eventInstance.range.start : seg.start || seg.eventRange.range.start)
      var segEnd = endOverride || (seg.isEnd ? eventInstance.range.end : seg.end || seg.eventRange.range.end)
      if (displayEventEnd && eventDef.hasEnd) {
        return dateEnv.formatRange(segStart, segEnd, timeFormat, {
          forcedStartTzo: startOverride ? null : eventInstance.forcedStartTzo,
          forcedEndTzo: endOverride ? null : eventInstance.forcedEndTzo,
        })
      }
      return dateEnv.format(segStart, timeFormat, {
        forcedTzo: startOverride ? null : eventInstance.forcedStartTzo,
      })
    }
    return ''
  }
  function getSegMeta(seg, todayRange, nowDate) {
    var segRange = seg.eventRange.range
    return {
      isPast: segRange.end < (nowDate || todayRange.start),
      isFuture: segRange.start >= (nowDate || todayRange.end),
      isToday: todayRange && rangeContainsMarker(todayRange, segRange.start),
    }
  }
  function getEventClassNames(props) {
    var classNames = ['fc-event']
    if (props.isMirror) {
      classNames.push('fc-event-mirror')
    }
    if (props.isDraggable) {
      classNames.push('fc-event-draggable')
    }
    if (props.isStartResizable || props.isEndResizable) {
      classNames.push('fc-event-resizable')
    }
    if (props.isDragging) {
      classNames.push('fc-event-dragging')
    }
    if (props.isResizing) {
      classNames.push('fc-event-resizing')
    }
    if (props.isSelected) {
      classNames.push('fc-event-selected')
    }
    if (props.isStart) {
      classNames.push('fc-event-start')
    }
    if (props.isEnd) {
      classNames.push('fc-event-end')
    }
    if (props.isPast) {
      classNames.push('fc-event-past')
    }
    if (props.isToday) {
      classNames.push('fc-event-today')
    }
    if (props.isFuture) {
      classNames.push('fc-event-future')
    }
    return classNames
  }
  function buildEventRangeKey(eventRange) {
    return eventRange.instance ? eventRange.instance.instanceId : eventRange.def.defId + ':' + eventRange.range.start.toISOString()
    // inverse-background events don't have specific instances. TODO: better solution
  }

  var STANDARD_PROPS = {
    start: identity,
    end: identity,
    allDay: Boolean,
  }
  function parseDateSpan(raw, dateEnv, defaultDuration) {
    var span = parseOpenDateSpan(raw, dateEnv)
    var range = span.range
    if (!range.start) {
      return null
    }
    if (!range.end) {
      if (defaultDuration == null) {
        return null
      }
      range.end = dateEnv.add(range.start, defaultDuration)
    }
    return span
  }
  /*
    TODO: somehow combine with parseRange?
    Will return null if the start/end props were present but parsed invalidly.
    */
  function parseOpenDateSpan(raw, dateEnv) {
    var _a = refineProps(raw, STANDARD_PROPS),
      standardProps = _a.refined,
      extra = _a.extra
    var startMeta = standardProps.start ? dateEnv.createMarkerMeta(standardProps.start) : null
    var endMeta = standardProps.end ? dateEnv.createMarkerMeta(standardProps.end) : null
    var allDay = standardProps.allDay
    if (allDay == null) {
      allDay = startMeta && startMeta.isTimeUnspecified && (!endMeta || endMeta.isTimeUnspecified)
    }
    return __assign(
      {
        range: {
          start: startMeta ? startMeta.marker : null,
          end: endMeta ? endMeta.marker : null,
        },
        allDay: allDay,
      },
      extra
    )
  }
  function isDateSpansEqual(span0, span1) {
    return rangesEqual(span0.range, span1.range) && span0.allDay === span1.allDay && isSpanPropsEqual(span0, span1)
  }
  // the NON-DATE-RELATED props
  function isSpanPropsEqual(span0, span1) {
    for (var propName in span1) {
      if (propName !== 'range' && propName !== 'allDay') {
        if (span0[propName] !== span1[propName]) {
          return false
        }
      }
    }
    // are there any props that span0 has that span1 DOESN'T have?
    // both have range/allDay, so no need to special-case.
    for (var propName in span0) {
      if (!(propName in span1)) {
        return false
      }
    }
    return true
  }
  function buildDateSpanApi(span, dateEnv) {
    return __assign(__assign({}, buildRangeApi(span.range, dateEnv, span.allDay)), { allDay: span.allDay })
  }
  function buildRangeApiWithTimeZone(range, dateEnv, omitTime) {
    return __assign(__assign({}, buildRangeApi(range, dateEnv, omitTime)), {
      timeZone: dateEnv.timeZone,
    })
  }
  function buildRangeApi(range, dateEnv, omitTime) {
    return {
      start: dateEnv.toDate(range.start),
      end: dateEnv.toDate(range.end),
      startStr: dateEnv.formatIso(range.start, { omitTime: omitTime }),
      endStr: dateEnv.formatIso(range.end, { omitTime: omitTime }),
    }
  }
  function fabricateEventRange(dateSpan, eventUiBases, context) {
    var res = refineEventDef({ editable: false }, context)
    var def = parseEventDef(
      res.refined,
      res.extra,
      '', // sourceId
      dateSpan.allDay,
      true, // hasEnd
      context
    )
    return {
      def: def,
      ui: compileEventUi(def, eventUiBases),
      instance: createEventInstance(def.defId, dateSpan.range),
      range: dateSpan.range,
      isStart: true,
      isEnd: true,
    }
  }

  function triggerDateSelect(selection, pev, context) {
    context.emitter.trigger(
      'select',
      __assign(__assign({}, buildDateSpanApiWithContext(selection, context)), {
        jsEvent: pev ? pev.origEvent : null,
        view: context.viewApi || context.calendarApi.view,
      })
    )
  }
  function triggerDateUnselect(pev, context) {
    context.emitter.trigger('unselect', {
      jsEvent: pev ? pev.origEvent : null,
      view: context.viewApi || context.calendarApi.view,
    })
  }
  function buildDateSpanApiWithContext(dateSpan, context) {
    var props = {}
    for (var _i = 0, _a = context.pluginHooks.dateSpanTransforms; _i < _a.length; _i++) {
      var transform = _a[_i]
      __assign(props, transform(dateSpan, context))
    }
    __assign(props, buildDateSpanApi(dateSpan, context.dateEnv))
    return props
  }
  // Given an event's allDay status and start date, return what its fallback end date should be.
  // TODO: rename to computeDefaultEventEnd
  function getDefaultEventEnd(allDay, marker, context) {
    var dateEnv = context.dateEnv,
      options = context.options
    var end = marker
    if (allDay) {
      end = startOfDay(end)
      end = dateEnv.add(end, options.defaultAllDayEventDuration)
    } else {
      end = dateEnv.add(end, options.defaultTimedEventDuration)
    }
    return end
  }

  // applies the mutation to ALL defs/instances within the event store
  function applyMutationToEventStore(eventStore, eventConfigBase, mutation, context) {
    var eventConfigs = compileEventUis(eventStore.defs, eventConfigBase)
    var dest = createEmptyEventStore()
    for (var defId in eventStore.defs) {
      var def = eventStore.defs[defId]
      dest.defs[defId] = applyMutationToEventDef(def, eventConfigs[defId], mutation, context)
    }
    for (var instanceId in eventStore.instances) {
      var instance = eventStore.instances[instanceId]
      var def = dest.defs[instance.defId] // important to grab the newly modified def
      dest.instances[instanceId] = applyMutationToEventInstance(instance, def, eventConfigs[instance.defId], mutation, context)
    }
    return dest
  }
  function applyMutationToEventDef(eventDef, eventConfig, mutation, context) {
    var standardProps = mutation.standardProps || {}
    // if hasEnd has not been specified, guess a good value based on deltas.
    // if duration will change, there's no way the default duration will persist,
    // and thus, we need to mark the event as having a real end
    if (standardProps.hasEnd == null && eventConfig.durationEditable && (mutation.startDelta || mutation.endDelta)) {
      standardProps.hasEnd = true // TODO: is this mutation okay?
    }
    var copy = __assign(__assign(__assign({}, eventDef), standardProps), {
      ui: __assign(__assign({}, eventDef.ui), standardProps.ui),
    })
    if (mutation.extendedProps) {
      copy.extendedProps = __assign(__assign({}, copy.extendedProps), mutation.extendedProps)
    }
    for (var _i = 0, _a = context.pluginHooks.eventDefMutationAppliers; _i < _a.length; _i++) {
      var applier = _a[_i]
      applier(copy, mutation, context)
    }
    if (!copy.hasEnd && context.options.forceEventDuration) {
      copy.hasEnd = true
    }
    return copy
  }
  function applyMutationToEventInstance(
    eventInstance,
    eventDef, // must first be modified by applyMutationToEventDef
    eventConfig,
    mutation,
    context
  ) {
    var dateEnv = context.dateEnv
    var forceAllDay = mutation.standardProps && mutation.standardProps.allDay === true
    var clearEnd = mutation.standardProps && mutation.standardProps.hasEnd === false
    var copy = __assign({}, eventInstance)
    if (forceAllDay) {
      copy.range = computeAlignedDayRange(copy.range)
    }
    if (mutation.datesDelta && eventConfig.startEditable) {
      copy.range = {
        start: dateEnv.add(copy.range.start, mutation.datesDelta),
        end: dateEnv.add(copy.range.end, mutation.datesDelta),
      }
    }
    if (mutation.startDelta && eventConfig.durationEditable) {
      copy.range = {
        start: dateEnv.add(copy.range.start, mutation.startDelta),
        end: copy.range.end,
      }
    }
    if (mutation.endDelta && eventConfig.durationEditable) {
      copy.range = {
        start: copy.range.start,
        end: dateEnv.add(copy.range.end, mutation.endDelta),
      }
    }
    if (clearEnd) {
      copy.range = {
        start: copy.range.start,
        end: getDefaultEventEnd(eventDef.allDay, copy.range.start, context),
      }
    }
    // in case event was all-day but the supplied deltas were not
    // better util for this?
    if (eventDef.allDay) {
      copy.range = {
        start: startOfDay(copy.range.start),
        end: startOfDay(copy.range.end),
      }
    }
    // handle invalid durations
    if (copy.range.end < copy.range.start) {
      copy.range.end = getDefaultEventEnd(eventDef.allDay, copy.range.start, context)
    }
    return copy
  }

  // no public types yet. when there are, export from:
  // import {} from './api-type-deps'
  var ViewApi = /** @class */ (function () {
    function ViewApi(type, getCurrentData, dateEnv) {
      this.type = type
      this.getCurrentData = getCurrentData
      this.dateEnv = dateEnv
    }
    Object.defineProperty(ViewApi.prototype, 'calendar', {
      get: function () {
        return this.getCurrentData().calendarApi
      },
      enumerable: false,
      configurable: true,
    })
    Object.defineProperty(ViewApi.prototype, 'title', {
      get: function () {
        return this.getCurrentData().viewTitle
      },
      enumerable: false,
      configurable: true,
    })
    Object.defineProperty(ViewApi.prototype, 'activeStart', {
      get: function () {
        return this.dateEnv.toDate(this.getCurrentData().dateProfile.activeRange.start)
      },
      enumerable: false,
      configurable: true,
    })
    Object.defineProperty(ViewApi.prototype, 'activeEnd', {
      get: function () {
        return this.dateEnv.toDate(this.getCurrentData().dateProfile.activeRange.end)
      },
      enumerable: false,
      configurable: true,
    })
    Object.defineProperty(ViewApi.prototype, 'currentStart', {
      get: function () {
        return this.dateEnv.toDate(this.getCurrentData().dateProfile.currentRange.start)
      },
      enumerable: false,
      configurable: true,
    })
    Object.defineProperty(ViewApi.prototype, 'currentEnd', {
      get: function () {
        return this.dateEnv.toDate(this.getCurrentData().dateProfile.currentRange.end)
      },
      enumerable: false,
      configurable: true,
    })
    ViewApi.prototype.getOption = function (name) {
      return this.getCurrentData().options[name] // are the view-specific options
    }
    return ViewApi
  })()

  var EVENT_SOURCE_REFINERS = {
    id: String,
    defaultAllDay: Boolean,
    url: String,
    format: String,
    events: identity,
    eventDataTransform: identity,
    // for any network-related sources
    success: identity,
    failure: identity,
  }
  function parseEventSource(raw, context, refiners) {
    if (refiners === void 0) {
      refiners = buildEventSourceRefiners(context)
    }
    var rawObj
    if (typeof raw === 'string') {
      rawObj = { url: raw }
    } else if (typeof raw === 'function' || Array.isArray(raw)) {
      rawObj = { events: raw }
    } else if (typeof raw === 'object' && raw) {
      // not null
      rawObj = raw
    }
    if (rawObj) {
      var _a = refineProps(rawObj, refiners),
        refined = _a.refined,
        extra = _a.extra
      var metaRes = buildEventSourceMeta(refined, context)
      if (metaRes) {
        return {
          _raw: raw,
          isFetching: false,
          latestFetchId: '',
          fetchRange: null,
          defaultAllDay: refined.defaultAllDay,
          eventDataTransform: refined.eventDataTransform,
          success: refined.success,
          failure: refined.failure,
          publicId: refined.id || '',
          sourceId: guid(),
          sourceDefId: metaRes.sourceDefId,
          meta: metaRes.meta,
          ui: createEventUi(refined, context),
          extendedProps: extra,
        }
      }
    }
    return null
  }
  function buildEventSourceRefiners(context) {
    return __assign(__assign(__assign({}, EVENT_UI_REFINERS), EVENT_SOURCE_REFINERS), context.pluginHooks.eventSourceRefiners)
  }
  function buildEventSourceMeta(raw, context) {
    var defs = context.pluginHooks.eventSourceDefs
    for (var i = defs.length - 1; i >= 0; i -= 1) {
      // later-added plugins take precedence
      var def = defs[i]
      var meta = def.parseMeta(raw)
      if (meta) {
        return { sourceDefId: i, meta: meta }
      }
    }
    return null
  }

  function reduceCurrentDate(currentDate, action) {
    switch (action.type) {
      case 'CHANGE_DATE':
        return action.dateMarker
      default:
        return currentDate
    }
  }
  function getInitialDate(options, dateEnv) {
    var initialDateInput = options.initialDate
    // compute the initial ambig-timezone date
    if (initialDateInput != null) {
      return dateEnv.createMarker(initialDateInput)
    }
    return getNow(options.now, dateEnv) // getNow already returns unzoned
  }
  function getNow(nowInput, dateEnv) {
    if (typeof nowInput === 'function') {
      nowInput = nowInput()
    }
    if (nowInput == null) {
      return dateEnv.createNowMarker()
    }
    return dateEnv.createMarker(nowInput)
  }

  var CalendarApi = /** @class */ (function () {
    function CalendarApi() {}
    CalendarApi.prototype.getCurrentData = function () {
      return this.currentDataManager.getCurrentData()
    }
    CalendarApi.prototype.dispatch = function (action) {
      return this.currentDataManager.dispatch(action)
    }
    Object.defineProperty(CalendarApi.prototype, 'view', {
      get: function () {
        return this.getCurrentData().viewApi
      }, // for public API
      enumerable: false,
      configurable: true,
    })
    CalendarApi.prototype.batchRendering = function (callback) {
      callback()
    }
    CalendarApi.prototype.updateSize = function () {
      this.trigger('_resize', true)
    }
    // Options
    // -----------------------------------------------------------------------------------------------------------------
    CalendarApi.prototype.setOption = function (name, val) {
      this.dispatch({
        type: 'SET_OPTION',
        optionName: name,
        rawOptionValue: val,
      })
    }
    CalendarApi.prototype.getOption = function (name) {
      return this.currentDataManager.currentCalendarOptionsInput[name]
    }
    CalendarApi.prototype.getAvailableLocaleCodes = function () {
      return Object.keys(this.getCurrentData().availableRawLocales)
    }
    // Trigger
    // -----------------------------------------------------------------------------------------------------------------
    CalendarApi.prototype.on = function (handlerName, handler) {
      var currentDataManager = this.currentDataManager
      if (currentDataManager.currentCalendarOptionsRefiners[handlerName]) {
        currentDataManager.emitter.on(handlerName, handler)
      } else {
        console.warn("Unknown listener name '" + handlerName + "'")
      }
    }
    CalendarApi.prototype.off = function (handlerName, handler) {
      this.currentDataManager.emitter.off(handlerName, handler)
    }
    // not meant for public use
    CalendarApi.prototype.trigger = function (handlerName) {
      var _a
      var args = []
      for (var _i = 1; _i < arguments.length; _i++) {
        args[_i - 1] = arguments[_i]
      }
      ;(_a = this.currentDataManager.emitter).trigger.apply(_a, __spreadArrays([handlerName], args))
    }
    // View
    // -----------------------------------------------------------------------------------------------------------------
    CalendarApi.prototype.changeView = function (viewType, dateOrRange) {
      var _this = this
      this.batchRendering(function () {
        _this.unselect()
        if (dateOrRange) {
          if (dateOrRange.start && dateOrRange.end) {
            // a range
            _this.dispatch({
              type: 'CHANGE_VIEW_TYPE',
              viewType: viewType,
            })
            _this.dispatch({
              type: 'SET_OPTION',
              optionName: 'visibleRange',
              rawOptionValue: dateOrRange,
            })
          } else {
            var dateEnv = _this.getCurrentData().dateEnv
            _this.dispatch({
              type: 'CHANGE_VIEW_TYPE',
              viewType: viewType,
              dateMarker: dateEnv.createMarker(dateOrRange),
            })
          }
        } else {
          _this.dispatch({
            type: 'CHANGE_VIEW_TYPE',
            viewType: viewType,
          })
        }
      })
    }
    // Forces navigation to a view for the given date.
    // `viewType` can be a specific view name or a generic one like "week" or "day".
    // needs to change
    CalendarApi.prototype.zoomTo = function (dateMarker, viewType) {
      var state = this.getCurrentData()
      var spec
      viewType = viewType || 'day' // day is default zoom
      spec = state.viewSpecs[viewType] || this.getUnitViewSpec(viewType)
      this.unselect()
      if (spec) {
        this.dispatch({
          type: 'CHANGE_VIEW_TYPE',
          viewType: spec.type,
          dateMarker: dateMarker,
        })
      } else {
        this.dispatch({
          type: 'CHANGE_DATE',
          dateMarker: dateMarker,
        })
      }
    }
    // Given a duration singular unit, like "week" or "day", finds a matching view spec.
    // Preference is given to views that have corresponding buttons.
    CalendarApi.prototype.getUnitViewSpec = function (unit) {
      var _a = this.getCurrentData(),
        viewSpecs = _a.viewSpecs,
        toolbarConfig = _a.toolbarConfig
      var viewTypes = [].concat(toolbarConfig.viewsWithButtons)
      var i
      var spec
      for (var viewType in viewSpecs) {
        viewTypes.push(viewType)
      }
      for (i = 0; i < viewTypes.length; i += 1) {
        spec = viewSpecs[viewTypes[i]]
        if (spec) {
          if (spec.singleUnit === unit) {
            return spec
          }
        }
      }
      return null
    }
    // Current Date
    // -----------------------------------------------------------------------------------------------------------------
    CalendarApi.prototype.prev = function () {
      this.unselect()
      this.dispatch({ type: 'PREV' })
    }
    CalendarApi.prototype.next = function () {
      this.unselect()
      this.dispatch({ type: 'NEXT' })
    }
    CalendarApi.prototype.prevYear = function () {
      var state = this.getCurrentData()
      this.unselect()
      this.dispatch({
        type: 'CHANGE_DATE',
        dateMarker: state.dateEnv.addYears(state.currentDate, -1),
      })
    }
    CalendarApi.prototype.nextYear = function () {
      var state = this.getCurrentData()
      this.unselect()
      this.dispatch({
        type: 'CHANGE_DATE',
        dateMarker: state.dateEnv.addYears(state.currentDate, 1),
      })
    }
    CalendarApi.prototype.today = function () {
      var state = this.getCurrentData()
      this.unselect()
      this.dispatch({
        type: 'CHANGE_DATE',
        dateMarker: getNow(state.calendarOptions.now, state.dateEnv),
      })
    }
    CalendarApi.prototype.gotoDate = function (zonedDateInput) {
      var state = this.getCurrentData()
      this.unselect()
      this.dispatch({
        type: 'CHANGE_DATE',
        dateMarker: state.dateEnv.createMarker(zonedDateInput),
      })
    }
    CalendarApi.prototype.incrementDate = function (deltaInput) {
      var state = this.getCurrentData()
      var delta = createDuration(deltaInput)
      if (delta) {
        // else, warn about invalid input?
        this.unselect()
        this.dispatch({
          type: 'CHANGE_DATE',
          dateMarker: state.dateEnv.add(state.currentDate, delta),
        })
      }
    }
    // for external API
    CalendarApi.prototype.getDate = function () {
      var state = this.getCurrentData()
      return state.dateEnv.toDate(state.currentDate)
    }
    // Date Formatting Utils
    // -----------------------------------------------------------------------------------------------------------------
    CalendarApi.prototype.formatDate = function (d, formatter) {
      var dateEnv = this.getCurrentData().dateEnv
      return dateEnv.format(dateEnv.createMarker(d), createFormatter(formatter))
    }
    // `settings` is for formatter AND isEndExclusive
    CalendarApi.prototype.formatRange = function (d0, d1, settings) {
      var dateEnv = this.getCurrentData().dateEnv
      return dateEnv.formatRange(dateEnv.createMarker(d0), dateEnv.createMarker(d1), createFormatter(settings), settings)
    }
    CalendarApi.prototype.formatIso = function (d, omitTime) {
      var dateEnv = this.getCurrentData().dateEnv
      return dateEnv.formatIso(dateEnv.createMarker(d), { omitTime: omitTime })
    }
    // Date Selection / Event Selection / DayClick
    // -----------------------------------------------------------------------------------------------------------------
    // this public method receives start/end dates in any format, with any timezone
    // NOTE: args were changed from v3
    CalendarApi.prototype.select = function (dateOrObj, endDate) {
      var selectionInput
      if (endDate == null) {
        if (dateOrObj.start != null) {
          selectionInput = dateOrObj
        } else {
          selectionInput = {
            start: dateOrObj,
            end: null,
          }
        }
      } else {
        selectionInput = {
          start: dateOrObj,
          end: endDate,
        }
      }
      var state = this.getCurrentData()
      var selection = parseDateSpan(selectionInput, state.dateEnv, createDuration({ days: 1 }))
      if (selection) {
        // throw parse error otherwise?
        this.dispatch({ type: 'SELECT_DATES', selection: selection })
        triggerDateSelect(selection, null, state)
      }
    }
    // public method
    CalendarApi.prototype.unselect = function (pev) {
      var state = this.getCurrentData()
      if (state.dateSelection) {
        this.dispatch({ type: 'UNSELECT_DATES' })
        triggerDateUnselect(pev, state)
      }
    }
    // Public Events API
    // -----------------------------------------------------------------------------------------------------------------
    CalendarApi.prototype.addEvent = function (eventInput, sourceInput) {
      if (eventInput instanceof EventApi) {
        var def = eventInput._def
        var instance = eventInput._instance
        var currentData = this.getCurrentData()
        // not already present? don't want to add an old snapshot
        if (!currentData.eventStore.defs[def.defId]) {
          this.dispatch({
            type: 'ADD_EVENTS',
            eventStore: eventTupleToStore({ def: def, instance: instance }),
          })
          this.triggerEventAdd(eventInput)
        }
        return eventInput
      }
      var state = this.getCurrentData()
      var eventSource
      if (sourceInput instanceof EventSourceApi) {
        eventSource = sourceInput.internalEventSource
      } else if (typeof sourceInput === 'boolean') {
        if (sourceInput) {
          // true. part of the first event source
          eventSource = hashValuesToArray(state.eventSources)[0]
        }
      } else if (sourceInput != null) {
        // an ID. accepts a number too
        var sourceApi = this.getEventSourceById(sourceInput) // TODO: use an internal function
        if (!sourceApi) {
          console.warn('Could not find an event source with ID "' + sourceInput + '"') // TODO: test
          return null
        }
        eventSource = sourceApi.internalEventSource
      }
      var tuple = parseEvent(eventInput, eventSource, state, false)
      if (tuple) {
        var newEventApi = new EventApi(state, tuple.def, tuple.def.recurringDef ? null : tuple.instance)
        this.dispatch({
          type: 'ADD_EVENTS',
          eventStore: eventTupleToStore(tuple),
        })
        this.triggerEventAdd(newEventApi)
        return newEventApi
      }
      return null
    }
    CalendarApi.prototype.triggerEventAdd = function (eventApi) {
      var _this = this
      var emitter = this.getCurrentData().emitter
      emitter.trigger('eventAdd', {
        event: eventApi,
        relatedEvents: [],
        revert: function () {
          _this.dispatch({
            type: 'REMOVE_EVENTS',
            eventStore: eventApiToStore(eventApi),
          })
        },
      })
    }
    // TODO: optimize
    CalendarApi.prototype.getEventById = function (id) {
      var state = this.getCurrentData()
      var _a = state.eventStore,
        defs = _a.defs,
        instances = _a.instances
      id = String(id)
      for (var defId in defs) {
        var def = defs[defId]
        if (def.publicId === id) {
          if (def.recurringDef) {
            return new EventApi(state, def, null)
          }
          for (var instanceId in instances) {
            var instance = instances[instanceId]
            if (instance.defId === def.defId) {
              return new EventApi(state, def, instance)
            }
          }
        }
      }
      return null
    }
    CalendarApi.prototype.getEvents = function () {
      var currentData = this.getCurrentData()
      return buildEventApis(currentData.eventStore, currentData)
    }
    CalendarApi.prototype.removeAllEvents = function () {
      this.dispatch({ type: 'REMOVE_ALL_EVENTS' })
    }
    // Public Event Sources API
    // -----------------------------------------------------------------------------------------------------------------
    CalendarApi.prototype.getEventSources = function () {
      var state = this.getCurrentData()
      var sourceHash = state.eventSources
      var sourceApis = []
      for (var internalId in sourceHash) {
        sourceApis.push(new EventSourceApi(state, sourceHash[internalId]))
      }
      return sourceApis
    }
    CalendarApi.prototype.getEventSourceById = function (id) {
      var state = this.getCurrentData()
      var sourceHash = state.eventSources
      id = String(id)
      for (var sourceId in sourceHash) {
        if (sourceHash[sourceId].publicId === id) {
          return new EventSourceApi(state, sourceHash[sourceId])
        }
      }
      return null
    }
    CalendarApi.prototype.addEventSource = function (sourceInput) {
      var state = this.getCurrentData()
      if (sourceInput instanceof EventSourceApi) {
        // not already present? don't want to add an old snapshot
        if (!state.eventSources[sourceInput.internalEventSource.sourceId]) {
          this.dispatch({
            type: 'ADD_EVENT_SOURCES',
            sources: [sourceInput.internalEventSource],
          })
        }
        return sourceInput
      }
      var eventSource = parseEventSource(sourceInput, state)
      if (eventSource) {
        // TODO: error otherwise?
        this.dispatch({ type: 'ADD_EVENT_SOURCES', sources: [eventSource] })
        return new EventSourceApi(state, eventSource)
      }
      return null
    }
    CalendarApi.prototype.removeAllEventSources = function () {
      this.dispatch({ type: 'REMOVE_ALL_EVENT_SOURCES' })
    }
    CalendarApi.prototype.refetchEvents = function () {
      this.dispatch({ type: 'FETCH_EVENT_SOURCES' })
    }
    // Scroll
    // -----------------------------------------------------------------------------------------------------------------
    CalendarApi.prototype.scrollToTime = function (timeInput) {
      var time = createDuration(timeInput)
      if (time) {
        this.trigger('_scrollRequest', { time: time })
      }
    }
    return CalendarApi
  })()

  var EventApi = /** @class */ (function () {
    // instance will be null if expressing a recurring event that has no current instances,
    // OR if trying to validate an incoming external event that has no dates assigned
    function EventApi(context, def, instance) {
      this._context = context
      this._def = def
      this._instance = instance || null
    }
    /*
        TODO: make event struct more responsible for this
        */
    EventApi.prototype.setProp = function (name, val) {
      var _a, _b
      if (name in EVENT_DATE_REFINERS) {
        console.warn("Could not set date-related prop 'name'. Use one of the date-related methods instead.")
      } else if (name in EVENT_NON_DATE_REFINERS) {
        val = EVENT_NON_DATE_REFINERS[name](val)
        this.mutate({
          standardProps: ((_a = {}), (_a[name] = val), _a),
        })
      } else if (name in EVENT_UI_REFINERS) {
        var ui = EVENT_UI_REFINERS[name](val)
        if (name === 'color') {
          ui = { backgroundColor: val, borderColor: val }
        } else if (name === 'editable') {
          ui = { startEditable: val, durationEditable: val }
        } else {
          ui = ((_b = {}), (_b[name] = val), _b)
        }
        this.mutate({
          standardProps: { ui: ui },
        })
      } else {
        console.warn("Could not set prop '" + name + "'. Use setExtendedProp instead.")
      }
    }
    EventApi.prototype.setExtendedProp = function (name, val) {
      var _a
      this.mutate({
        extendedProps: ((_a = {}), (_a[name] = val), _a),
      })
    }
    EventApi.prototype.setStart = function (startInput, options) {
      if (options === void 0) {
        options = {}
      }
      var dateEnv = this._context.dateEnv
      var start = dateEnv.createMarker(startInput)
      if (start && this._instance) {
        // TODO: warning if parsed bad
        var instanceRange = this._instance.range
        var startDelta = diffDates(instanceRange.start, start, dateEnv, options.granularity) // what if parsed bad!?
        if (options.maintainDuration) {
          this.mutate({ datesDelta: startDelta })
        } else {
          this.mutate({ startDelta: startDelta })
        }
      }
    }
    EventApi.prototype.setEnd = function (endInput, options) {
      if (options === void 0) {
        options = {}
      }
      var dateEnv = this._context.dateEnv
      var end
      if (endInput != null) {
        end = dateEnv.createMarker(endInput)
        if (!end) {
          return // TODO: warning if parsed bad
        }
      }
      if (this._instance) {
        if (end) {
          var endDelta = diffDates(this._instance.range.end, end, dateEnv, options.granularity)
          this.mutate({ endDelta: endDelta })
        } else {
          this.mutate({ standardProps: { hasEnd: false } })
        }
      }
    }
    EventApi.prototype.setDates = function (startInput, endInput, options) {
      if (options === void 0) {
        options = {}
      }
      var dateEnv = this._context.dateEnv
      var standardProps = { allDay: options.allDay }
      var start = dateEnv.createMarker(startInput)
      var end
      if (!start) {
        return // TODO: warning if parsed bad
      }
      if (endInput != null) {
        end = dateEnv.createMarker(endInput)
        if (!end) {
          // TODO: warning if parsed bad
          return
        }
      }
      if (this._instance) {
        var instanceRange = this._instance.range
        // when computing the diff for an event being converted to all-day,
        // compute diff off of the all-day values the way event-mutation does.
        if (options.allDay === true) {
          instanceRange = computeAlignedDayRange(instanceRange)
        }
        var startDelta = diffDates(instanceRange.start, start, dateEnv, options.granularity)
        if (end) {
          var endDelta = diffDates(instanceRange.end, end, dateEnv, options.granularity)
          if (durationsEqual(startDelta, endDelta)) {
            this.mutate({
              datesDelta: startDelta,
              standardProps: standardProps,
            })
          } else {
            this.mutate({
              startDelta: startDelta,
              endDelta: endDelta,
              standardProps: standardProps,
            })
          }
        } else {
          // means "clear the end"
          standardProps.hasEnd = false
          this.mutate({ datesDelta: startDelta, standardProps: standardProps })
        }
      }
    }
    EventApi.prototype.moveStart = function (deltaInput) {
      var delta = createDuration(deltaInput)
      if (delta) {
        // TODO: warning if parsed bad
        this.mutate({ startDelta: delta })
      }
    }
    EventApi.prototype.moveEnd = function (deltaInput) {
      var delta = createDuration(deltaInput)
      if (delta) {
        // TODO: warning if parsed bad
        this.mutate({ endDelta: delta })
      }
    }
    EventApi.prototype.moveDates = function (deltaInput) {
      var delta = createDuration(deltaInput)
      if (delta) {
        // TODO: warning if parsed bad
        this.mutate({ datesDelta: delta })
      }
    }
    EventApi.prototype.setAllDay = function (allDay, options) {
      if (options === void 0) {
        options = {}
      }
      var standardProps = { allDay: allDay }
      var maintainDuration = options.maintainDuration
      if (maintainDuration == null) {
        maintainDuration = this._context.options.allDayMaintainDuration
      }
      if (this._def.allDay !== allDay) {
        standardProps.hasEnd = maintainDuration
      }
      this.mutate({ standardProps: standardProps })
    }
    EventApi.prototype.formatRange = function (formatInput) {
      var dateEnv = this._context.dateEnv
      var instance = this._instance
      var formatter = createFormatter(formatInput)
      if (this._def.hasEnd) {
        return dateEnv.formatRange(instance.range.start, instance.range.end, formatter, {
          forcedStartTzo: instance.forcedStartTzo,
          forcedEndTzo: instance.forcedEndTzo,
        })
      }
      return dateEnv.format(instance.range.start, formatter, {
        forcedTzo: instance.forcedStartTzo,
      })
    }
    EventApi.prototype.mutate = function (mutation) {
      var instance = this._instance
      if (instance) {
        var def = this._def
        var context_1 = this._context
        var eventStore_1 = context_1.getCurrentData().eventStore
        var relevantEvents = getRelevantEvents(eventStore_1, instance.instanceId)
        var eventConfigBase = {
          '': {
            display: '',
            startEditable: true,
            durationEditable: true,
            constraints: [],
            overlap: null,
            allows: [],
            backgroundColor: '',
            borderColor: '',
            textColor: '',
            classNames: [],
          },
        }
        relevantEvents = applyMutationToEventStore(relevantEvents, eventConfigBase, mutation, context_1)
        var oldEvent = new EventApi(context_1, def, instance) // snapshot
        this._def = relevantEvents.defs[def.defId]
        this._instance = relevantEvents.instances[instance.instanceId]
        context_1.dispatch({
          type: 'MERGE_EVENTS',
          eventStore: relevantEvents,
        })
        context_1.emitter.trigger('eventChange', {
          oldEvent: oldEvent,
          event: this,
          relatedEvents: buildEventApis(relevantEvents, context_1, instance),
          revert: function () {
            context_1.dispatch({
              type: 'RESET_EVENTS',
              eventStore: eventStore_1,
            })
          },
        })
      }
    }
    EventApi.prototype.remove = function () {
      var context = this._context
      var asStore = eventApiToStore(this)
      context.dispatch({
        type: 'REMOVE_EVENTS',
        eventStore: asStore,
      })
      context.emitter.trigger('eventRemove', {
        event: this,
        relatedEvents: [],
        revert: function () {
          context.dispatch({
            type: 'MERGE_EVENTS',
            eventStore: asStore,
          })
        },
      })
    }
    Object.defineProperty(EventApi.prototype, 'source', {
      get: function () {
        var sourceId = this._def.sourceId
        if (sourceId) {
          return new EventSourceApi(this._context, this._context.getCurrentData().eventSources[sourceId])
        }
        return null
      },
      enumerable: false,
      configurable: true,
    })
    Object.defineProperty(EventApi.prototype, 'start', {
      get: function () {
        return this._instance ? this._context.dateEnv.toDate(this._instance.range.start) : null
      },
      enumerable: false,
      configurable: true,
    })
    Object.defineProperty(EventApi.prototype, 'end', {
      get: function () {
        return this._instance && this._def.hasEnd ? this._context.dateEnv.toDate(this._instance.range.end) : null
      },
      enumerable: false,
      configurable: true,
    })
    Object.defineProperty(EventApi.prototype, 'startStr', {
      get: function () {
        var instance = this._instance
        if (instance) {
          return this._context.dateEnv.formatIso(instance.range.start, {
            omitTime: this._def.allDay,
            forcedTzo: instance.forcedStartTzo,
          })
        }
        return ''
      },
      enumerable: false,
      configurable: true,
    })
    Object.defineProperty(EventApi.prototype, 'endStr', {
      get: function () {
        var instance = this._instance
        if (instance && this._def.hasEnd) {
          return this._context.dateEnv.formatIso(instance.range.end, {
            omitTime: this._def.allDay,
            forcedTzo: instance.forcedEndTzo,
          })
        }
        return ''
      },
      enumerable: false,
      configurable: true,
    })
    Object.defineProperty(EventApi.prototype, 'id', {
      // computable props that all access the def
      // TODO: find a TypeScript-compatible way to do this at scale
      get: function () {
        return this._def.publicId
      },
      enumerable: false,
      configurable: true,
    })
    Object.defineProperty(EventApi.prototype, 'groupId', {
      get: function () {
        return this._def.groupId
      },
      enumerable: false,
      configurable: true,
    })
    Object.defineProperty(EventApi.prototype, 'allDay', {
      get: function () {
        return this._def.allDay
      },
      enumerable: false,
      configurable: true,
    })
    Object.defineProperty(EventApi.prototype, 'title', {
      get: function () {
        return this._def.title
      },
      enumerable: false,
      configurable: true,
    })
    Object.defineProperty(EventApi.prototype, 'url', {
      get: function () {
        return this._def.url
      },
      enumerable: false,
      configurable: true,
    })
    Object.defineProperty(EventApi.prototype, 'display', {
      get: function () {
        return this._def.ui.display || 'auto'
      }, // bad. just normalize the type earlier
      enumerable: false,
      configurable: true,
    })
    Object.defineProperty(EventApi.prototype, 'startEditable', {
      get: function () {
        return this._def.ui.startEditable
      },
      enumerable: false,
      configurable: true,
    })
    Object.defineProperty(EventApi.prototype, 'durationEditable', {
      get: function () {
        return this._def.ui.durationEditable
      },
      enumerable: false,
      configurable: true,
    })
    Object.defineProperty(EventApi.prototype, 'constraint', {
      get: function () {
        return this._def.ui.constraints[0] || null
      },
      enumerable: false,
      configurable: true,
    })
    Object.defineProperty(EventApi.prototype, 'overlap', {
      get: function () {
        return this._def.ui.overlap
      },
      enumerable: false,
      configurable: true,
    })
    Object.defineProperty(EventApi.prototype, 'allow', {
      get: function () {
        return this._def.ui.allows[0] || null
      },
      enumerable: false,
      configurable: true,
    })
    Object.defineProperty(EventApi.prototype, 'backgroundColor', {
      get: function () {
        return this._def.ui.backgroundColor
      },
      enumerable: false,
      configurable: true,
    })
    Object.defineProperty(EventApi.prototype, 'borderColor', {
      get: function () {
        return this._def.ui.borderColor
      },
      enumerable: false,
      configurable: true,
    })
    Object.defineProperty(EventApi.prototype, 'textColor', {
      get: function () {
        return this._def.ui.textColor
      },
      enumerable: false,
      configurable: true,
    })
    Object.defineProperty(EventApi.prototype, 'classNames', {
      // NOTE: user can't modify these because Object.freeze was called in event-def parsing
      get: function () {
        return this._def.ui.classNames
      },
      enumerable: false,
      configurable: true,
    })
    Object.defineProperty(EventApi.prototype, 'extendedProps', {
      get: function () {
        return this._def.extendedProps
      },
      enumerable: false,
      configurable: true,
    })
    EventApi.prototype.toPlainObject = function (settings) {
      if (settings === void 0) {
        settings = {}
      }
      var def = this._def
      var ui = def.ui
      var _a = this,
        startStr = _a.startStr,
        endStr = _a.endStr
      var res = {}
      if (def.title) {
        res.title = def.title
      }
      if (startStr) {
        res.start = startStr
      }
      if (endStr) {
        res.end = endStr
      }
      if (def.publicId) {
        res.id = def.publicId
      }
      if (def.groupId) {
        res.groupId = def.groupId
      }
      if (def.url) {
        res.url = def.url
      }
      if (ui.display && ui.display !== 'auto') {
        res.display = ui.display
      }
      // TODO: what about recurring-event properties???
      // TODO: include startEditable/durationEditable/constraint/overlap/allow
      if (settings.collapseColor && ui.backgroundColor && ui.backgroundColor === ui.borderColor) {
        res.color = ui.backgroundColor
      } else {
        if (ui.backgroundColor) {
          res.backgroundColor = ui.backgroundColor
        }
        if (ui.borderColor) {
          res.borderColor = ui.borderColor
        }
      }
      if (ui.textColor) {
        res.textColor = ui.textColor
      }
      if (ui.classNames.length) {
        res.classNames = ui.classNames
      }
      if (Object.keys(def.extendedProps).length) {
        if (settings.collapseExtendedProps) {
          __assign(res, def.extendedProps)
        } else {
          res.extendedProps = def.extendedProps
        }
      }
      return res
    }
    EventApi.prototype.toJSON = function () {
      return this.toPlainObject()
    }
    return EventApi
  })()
  function eventApiToStore(eventApi) {
    var _a, _b
    var def = eventApi._def
    var instance = eventApi._instance
    return {
      defs: ((_a = {}), (_a[def.defId] = def), _a),
      instances: instance ? ((_b = {}), (_b[instance.instanceId] = instance), _b) : {},
    }
  }
  function buildEventApis(eventStore, context, excludeInstance) {
    var defs = eventStore.defs,
      instances = eventStore.instances
    var eventApis = []
    var excludeInstanceId = excludeInstance ? excludeInstance.instanceId : ''
    for (var id in instances) {
      var instance = instances[id]
      var def = defs[instance.defId]
      if (instance.instanceId !== excludeInstanceId) {
        eventApis.push(new EventApi(context, def, instance))
      }
    }
    return eventApis
  }

  var calendarSystemClassMap = {}
  function registerCalendarSystem(name, theClass) {
    calendarSystemClassMap[name] = theClass
  }
  function createCalendarSystem(name) {
    return new calendarSystemClassMap[name]()
  }
  var GregorianCalendarSystem = /** @class */ (function () {
    function GregorianCalendarSystem() {}
    GregorianCalendarSystem.prototype.getMarkerYear = function (d) {
      return d.getUTCFullYear()
    }
    GregorianCalendarSystem.prototype.getMarkerMonth = function (d) {
      return d.getUTCMonth()
    }
    GregorianCalendarSystem.prototype.getMarkerDay = function (d) {
      return d.getUTCDate()
    }
    GregorianCalendarSystem.prototype.arrayToMarker = function (arr) {
      return arrayToUtcDate(arr)
    }
    GregorianCalendarSystem.prototype.markerToArray = function (marker) {
      return dateToUtcArray(marker)
    }
    return GregorianCalendarSystem
  })()
  registerCalendarSystem('gregory', GregorianCalendarSystem)

  var ISO_RE = /^\s*(\d{4})(-?(\d{2})(-?(\d{2})([T ](\d{2}):?(\d{2})(:?(\d{2})(\.(\d+))?)?(Z|(([-+])(\d{2})(:?(\d{2}))?))?)?)?)?$/
  function parse(str) {
    var m = ISO_RE.exec(str)
    if (m) {
      var marker = new Date(Date.UTC(Number(m[1]), m[3] ? Number(m[3]) - 1 : 0, Number(m[5] || 1), Number(m[7] || 0), Number(m[8] || 0), Number(m[10] || 0), m[12] ? Number('0.' + m[12]) * 1000 : 0))
      if (isValidDate(marker)) {
        var timeZoneOffset = null
        if (m[13]) {
          timeZoneOffset = (m[15] === '-' ? -1 : 1) * (Number(m[16] || 0) * 60 + Number(m[18] || 0))
        }
        return {
          marker: marker,
          isTimeUnspecified: !m[6],
          timeZoneOffset: timeZoneOffset,
        }
      }
    }
    return null
  }

  var DateEnv = /** @class */ (function () {
    function DateEnv(settings) {
      var timeZone = (this.timeZone = settings.timeZone)
      var isNamedTimeZone = timeZone !== 'local' && timeZone !== 'UTC'
      if (settings.namedTimeZoneImpl && isNamedTimeZone) {
        this.namedTimeZoneImpl = new settings.namedTimeZoneImpl(timeZone)
      }
      this.canComputeOffset = Boolean(!isNamedTimeZone || this.namedTimeZoneImpl)
      this.calendarSystem = createCalendarSystem(settings.calendarSystem)
      this.locale = settings.locale
      this.weekDow = settings.locale.week.dow
      this.weekDoy = settings.locale.week.doy
      if (settings.weekNumberCalculation === 'ISO') {
        this.weekDow = 1
        this.weekDoy = 4
      }
      if (typeof settings.firstDay === 'number') {
        this.weekDow = settings.firstDay
      }
      if (typeof settings.weekNumberCalculation === 'function') {
        this.weekNumberFunc = settings.weekNumberCalculation
      }
      this.weekText = settings.weekText != null ? settings.weekText : settings.locale.options.weekText
      this.cmdFormatter = settings.cmdFormatter
      this.defaultSeparator = settings.defaultSeparator
    }
    // Creating / Parsing
    DateEnv.prototype.createMarker = function (input) {
      var meta = this.createMarkerMeta(input)
      if (meta === null) {
        return null
      }
      return meta.marker
    }
    DateEnv.prototype.createNowMarker = function () {
      if (this.canComputeOffset) {
        return this.timestampToMarker(new Date().valueOf())
      }
      // if we can't compute the current date val for a timezone,
      // better to give the current local date vals than UTC
      return arrayToUtcDate(dateToLocalArray(new Date()))
    }
    DateEnv.prototype.createMarkerMeta = function (input) {
      if (typeof input === 'string') {
        return this.parse(input)
      }
      var marker = null
      if (typeof input === 'number') {
        marker = this.timestampToMarker(input)
      } else if (input instanceof Date) {
        input = input.valueOf()
        if (!isNaN(input)) {
          marker = this.timestampToMarker(input)
        }
      } else if (Array.isArray(input)) {
        marker = arrayToUtcDate(input)
      }
      if (marker === null || !isValidDate(marker)) {
        return null
      }
      return { marker: marker, isTimeUnspecified: false, forcedTzo: null }
    }
    DateEnv.prototype.parse = function (s) {
      var parts = parse(s)
      if (parts === null) {
        return null
      }
      var marker = parts.marker
      var forcedTzo = null
      if (parts.timeZoneOffset !== null) {
        if (this.canComputeOffset) {
          marker = this.timestampToMarker(marker.valueOf() - parts.timeZoneOffset * 60 * 1000)
        } else {
          forcedTzo = parts.timeZoneOffset
        }
      }
      return {
        marker: marker,
        isTimeUnspecified: parts.isTimeUnspecified,
        forcedTzo: forcedTzo,
      }
    }
    // Accessors
    DateEnv.prototype.getYear = function (marker) {
      return this.calendarSystem.getMarkerYear(marker)
    }
    DateEnv.prototype.getMonth = function (marker) {
      return this.calendarSystem.getMarkerMonth(marker)
    }
    // Adding / Subtracting
    DateEnv.prototype.add = function (marker, dur) {
      var a = this.calendarSystem.markerToArray(marker)
      a[0] += dur.years
      a[1] += dur.months
      a[2] += dur.days
      a[6] += dur.milliseconds
      return this.calendarSystem.arrayToMarker(a)
    }
    DateEnv.prototype.subtract = function (marker, dur) {
      var a = this.calendarSystem.markerToArray(marker)
      a[0] -= dur.years
      a[1] -= dur.months
      a[2] -= dur.days
      a[6] -= dur.milliseconds
      return this.calendarSystem.arrayToMarker(a)
    }
    DateEnv.prototype.addYears = function (marker, n) {
      var a = this.calendarSystem.markerToArray(marker)
      a[0] += n
      return this.calendarSystem.arrayToMarker(a)
    }
    DateEnv.prototype.addMonths = function (marker, n) {
      var a = this.calendarSystem.markerToArray(marker)
      a[1] += n
      return this.calendarSystem.arrayToMarker(a)
    }
    // Diffing Whole Units
    DateEnv.prototype.diffWholeYears = function (m0, m1) {
      var calendarSystem = this.calendarSystem
      if (timeAsMs(m0) === timeAsMs(m1) && calendarSystem.getMarkerDay(m0) === calendarSystem.getMarkerDay(m1) && calendarSystem.getMarkerMonth(m0) === calendarSystem.getMarkerMonth(m1)) {
        return calendarSystem.getMarkerYear(m1) - calendarSystem.getMarkerYear(m0)
      }
      return null
    }
    DateEnv.prototype.diffWholeMonths = function (m0, m1) {
      var calendarSystem = this.calendarSystem
      if (timeAsMs(m0) === timeAsMs(m1) && calendarSystem.getMarkerDay(m0) === calendarSystem.getMarkerDay(m1)) {
        return calendarSystem.getMarkerMonth(m1) - calendarSystem.getMarkerMonth(m0) + (calendarSystem.getMarkerYear(m1) - calendarSystem.getMarkerYear(m0)) * 12
      }
      return null
    }
    // Range / Duration
    DateEnv.prototype.greatestWholeUnit = function (m0, m1) {
      var n = this.diffWholeYears(m0, m1)
      if (n !== null) {
        return { unit: 'year', value: n }
      }
      n = this.diffWholeMonths(m0, m1)
      if (n !== null) {
        return { unit: 'month', value: n }
      }
      n = diffWholeWeeks(m0, m1)
      if (n !== null) {
        return { unit: 'week', value: n }
      }
      n = diffWholeDays(m0, m1)
      if (n !== null) {
        return { unit: 'day', value: n }
      }
      n = diffHours(m0, m1)
      if (isInt(n)) {
        return { unit: 'hour', value: n }
      }
      n = diffMinutes(m0, m1)
      if (isInt(n)) {
        return { unit: 'minute', value: n }
      }
      n = diffSeconds(m0, m1)
      if (isInt(n)) {
        return { unit: 'second', value: n }
      }
      return { unit: 'millisecond', value: m1.valueOf() - m0.valueOf() }
    }
    DateEnv.prototype.countDurationsBetween = function (m0, m1, d) {
      // TODO: can use greatestWholeUnit
      var diff
      if (d.years) {
        diff = this.diffWholeYears(m0, m1)
        if (diff !== null) {
          return diff / asRoughYears(d)
        }
      }
      if (d.months) {
        diff = this.diffWholeMonths(m0, m1)
        if (diff !== null) {
          return diff / asRoughMonths(d)
        }
      }
      if (d.days) {
        diff = diffWholeDays(m0, m1)
        if (diff !== null) {
          return diff / asRoughDays(d)
        }
      }
      return (m1.valueOf() - m0.valueOf()) / asRoughMs(d)
    }
    // Start-Of
    // these DON'T return zoned-dates. only UTC start-of dates
    DateEnv.prototype.startOf = function (m, unit) {
      if (unit === 'year') {
        return this.startOfYear(m)
      }
      if (unit === 'month') {
        return this.startOfMonth(m)
      }
      if (unit === 'week') {
        return this.startOfWeek(m)
      }
      if (unit === 'day') {
        return startOfDay(m)
      }
      if (unit === 'hour') {
        return startOfHour(m)
      }
      if (unit === 'minute') {
        return startOfMinute(m)
      }
      if (unit === 'second') {
        return startOfSecond(m)
      }
      return null
    }
    DateEnv.prototype.startOfYear = function (m) {
      return this.calendarSystem.arrayToMarker([this.calendarSystem.getMarkerYear(m)])
    }
    DateEnv.prototype.startOfMonth = function (m) {
      return this.calendarSystem.arrayToMarker([this.calendarSystem.getMarkerYear(m), this.calendarSystem.getMarkerMonth(m)])
    }
    DateEnv.prototype.startOfWeek = function (m) {
      return this.calendarSystem.arrayToMarker([this.calendarSystem.getMarkerYear(m), this.calendarSystem.getMarkerMonth(m), m.getUTCDate() - ((m.getUTCDay() - this.weekDow + 7) % 7)])
    }
    // Week Number
    DateEnv.prototype.computeWeekNumber = function (marker) {
      if (this.weekNumberFunc) {
        return this.weekNumberFunc(this.toDate(marker))
      }
      return weekOfYear(marker, this.weekDow, this.weekDoy)
    }
    // TODO: choke on timeZoneName: long
    DateEnv.prototype.format = function (marker, formatter, dateOptions) {
      if (dateOptions === void 0) {
        dateOptions = {}
      }
      return formatter.format(
        {
          marker: marker,
          timeZoneOffset: dateOptions.forcedTzo != null ? dateOptions.forcedTzo : this.offsetForMarker(marker),
        },
        this
      )
    }
    DateEnv.prototype.formatRange = function (start, end, formatter, dateOptions) {
      if (dateOptions === void 0) {
        dateOptions = {}
      }
      if (dateOptions.isEndExclusive) {
        end = addMs(end, -1)
      }
      return formatter.formatRange(
        {
          marker: start,
          timeZoneOffset: dateOptions.forcedStartTzo != null ? dateOptions.forcedStartTzo : this.offsetForMarker(start),
        },
        {
          marker: end,
          timeZoneOffset: dateOptions.forcedEndTzo != null ? dateOptions.forcedEndTzo : this.offsetForMarker(end),
        },
        this,
        dateOptions.defaultSeparator
      )
    }
    /*
        DUMB: the omitTime arg is dumb. if we omit the time, we want to omit the timezone offset. and if we do that,
        might as well use buildIsoString or some other util directly
        */
    DateEnv.prototype.formatIso = function (marker, extraOptions) {
      if (extraOptions === void 0) {
        extraOptions = {}
      }
      var timeZoneOffset = null
      if (!extraOptions.omitTimeZoneOffset) {
        if (extraOptions.forcedTzo != null) {
          timeZoneOffset = extraOptions.forcedTzo
        } else {
          timeZoneOffset = this.offsetForMarker(marker)
        }
      }
      return buildIsoString(marker, timeZoneOffset, extraOptions.omitTime)
    }
    // TimeZone
    DateEnv.prototype.timestampToMarker = function (ms) {
      if (this.timeZone === 'local') {
        return arrayToUtcDate(dateToLocalArray(new Date(ms)))
      }
      if (this.timeZone === 'UTC' || !this.namedTimeZoneImpl) {
        return new Date(ms)
      }
      return arrayToUtcDate(this.namedTimeZoneImpl.timestampToArray(ms))
    }
    DateEnv.prototype.offsetForMarker = function (m) {
      if (this.timeZone === 'local') {
        return -arrayToLocalDate(dateToUtcArray(m)).getTimezoneOffset() // convert "inverse" offset to "normal" offset
      }
      if (this.timeZone === 'UTC') {
        return 0
      }
      if (this.namedTimeZoneImpl) {
        return this.namedTimeZoneImpl.offsetForArray(dateToUtcArray(m))
      }
      return null
    }
    // Conversion
    DateEnv.prototype.toDate = function (m, forcedTzo) {
      if (this.timeZone === 'local') {
        return arrayToLocalDate(dateToUtcArray(m))
      }
      if (this.timeZone === 'UTC') {
        return new Date(m.valueOf()) // make sure it's a copy
      }
      if (!this.namedTimeZoneImpl) {
        return new Date(m.valueOf() - (forcedTzo || 0))
      }
      return new Date(m.valueOf() - this.namedTimeZoneImpl.offsetForArray(dateToUtcArray(m)) * 1000 * 60)
    }
    return DateEnv
  })()

  var globalLocales = []

  var RAW_EN_LOCALE = {
    code: 'en',
    week: {
      dow: 0,
      doy: 4,
    },
    direction: 'ltr',
    buttonText: {
      prev: 'prev',
      next: 'next',
      prevYear: 'prev year',
      nextYear: 'next year',
      year: 'year',
      today: 'today',
      month: 'month',
      week: 'week',
      day: 'day',
      list: 'list',
    },
    weekText: 'W',
    allDayText: 'all-day',
    moreLinkText: 'more',
    noEventsText: 'No events to display',
  }
  function organizeRawLocales(explicitRawLocales) {
    var defaultCode = explicitRawLocales.length > 0 ? explicitRawLocales[0].code : 'en'
    var allRawLocales = globalLocales.concat(explicitRawLocales)
    var rawLocaleMap = {
      en: RAW_EN_LOCALE,
    }
    for (var _i = 0, allRawLocales_1 = allRawLocales; _i < allRawLocales_1.length; _i++) {
      var rawLocale = allRawLocales_1[_i]
      rawLocaleMap[rawLocale.code] = rawLocale
    }
    return {
      map: rawLocaleMap,
      defaultCode: defaultCode,
    }
  }
  function buildLocale(inputSingular, available) {
    if (typeof inputSingular === 'object' && !Array.isArray(inputSingular)) {
      return parseLocale(inputSingular.code, [inputSingular.code], inputSingular)
    }
    return queryLocale(inputSingular, available)
  }
  function queryLocale(codeArg, available) {
    var codes = [].concat(codeArg || []) // will convert to array
    var raw = queryRawLocale(codes, available) || RAW_EN_LOCALE
    return parseLocale(codeArg, codes, raw)
  }
  function queryRawLocale(codes, available) {
    for (var i = 0; i < codes.length; i += 1) {
      var parts = codes[i].toLocaleLowerCase().split('-')
      for (var j = parts.length; j > 0; j -= 1) {
        var simpleId = parts.slice(0, j).join('-')
        if (available[simpleId]) {
          return available[simpleId]
        }
      }
    }
    return null
  }
  function parseLocale(codeArg, codes, raw) {
    var merged = mergeProps([RAW_EN_LOCALE, raw], ['buttonText'])
    delete merged.code // don't want this part of the options
    var week = merged.week
    delete merged.week
    return {
      codeArg: codeArg,
      codes: codes,
      week: week,
      simpleNumberFormat: new Intl.NumberFormat(codeArg),
      options: merged,
    }
  }

  function formatDate(dateInput, options) {
    if (options === void 0) {
      options = {}
    }
    var dateEnv = buildDateEnv(options)
    var formatter = createFormatter(options)
    var dateMeta = dateEnv.createMarkerMeta(dateInput)
    if (!dateMeta) {
      // TODO: warning?
      return ''
    }
    return dateEnv.format(dateMeta.marker, formatter, {
      forcedTzo: dateMeta.forcedTzo,
    })
  }
  function formatRange(startInput, endInput, options) {
    var dateEnv = buildDateEnv(typeof options === 'object' && options ? options : {}) // pass in if non-null object
    var formatter = createFormatter(options)
    var startMeta = dateEnv.createMarkerMeta(startInput)
    var endMeta = dateEnv.createMarkerMeta(endInput)
    if (!startMeta || !endMeta) {
      // TODO: warning?
      return ''
    }
    return dateEnv.formatRange(startMeta.marker, endMeta.marker, formatter, {
      forcedStartTzo: startMeta.forcedTzo,
      forcedEndTzo: endMeta.forcedTzo,
      isEndExclusive: options.isEndExclusive,
      defaultSeparator: BASE_OPTION_DEFAULTS.defaultRangeSeparator,
    })
  }
  // TODO: more DRY and optimized
  function buildDateEnv(settings) {
    var locale = buildLocale(settings.locale || 'zh-cn', organizeRawLocales([]).map) // TODO: don't hardcode 'en' everywhere
    return new DateEnv(
      __assign(
        __assign(
          {
            timeZone: BASE_OPTION_DEFAULTS.timeZone,
            calendarSystem: 'gregory',
          },
          settings
        ),
        { locale: locale }
      )
    )
  }

  var DEF_DEFAULTS = {
    startTime: '09:00',
    endTime: '17:00',
    daysOfWeek: [1, 2, 3, 4, 5],
    display: 'inverse-background',
    classNames: 'fc-non-business',
    groupId: '_businessHours',
  }
  /*
    TODO: pass around as EventDefHash!!!
    */
  function parseBusinessHours(input, context) {
    return parseEvents(refineInputs(input), null, context)
  }
  function refineInputs(input) {
    var rawDefs
    if (input === true) {
      rawDefs = [{}] // will get DEF_DEFAULTS verbatim
    } else if (Array.isArray(input)) {
      // if specifying an array, every sub-definition NEEDS a day-of-week
      rawDefs = input.filter(function (rawDef) {
        return rawDef.daysOfWeek
      })
    } else if (typeof input === 'object' && input) {
      // non-null object
      rawDefs = [input]
    } else {
      // is probably false
      rawDefs = []
    }
    rawDefs = rawDefs.map(function (rawDef) {
      return __assign(__assign({}, DEF_DEFAULTS), rawDef)
    })
    return rawDefs
  }

  function pointInsideRect(point, rect) {
    return point.left >= rect.left && point.left < rect.right && point.top >= rect.top && point.top < rect.bottom
  }
  // Returns a new rectangle that is the intersection of the two rectangles. If they don't intersect, returns false
  function intersectRects(rect1, rect2) {
    var res = {
      left: Math.max(rect1.left, rect2.left),
      right: Math.min(rect1.right, rect2.right),
      top: Math.max(rect1.top, rect2.top),
      bottom: Math.min(rect1.bottom, rect2.bottom),
    }
    if (res.left < res.right && res.top < res.bottom) {
      return res
    }
    return false
  }
  function translateRect(rect, deltaX, deltaY) {
    return {
      left: rect.left + deltaX,
      right: rect.right + deltaX,
      top: rect.top + deltaY,
      bottom: rect.bottom + deltaY,
    }
  }
  // Returns a new point that will have been moved to reside within the given rectangle
  function constrainPoint(point, rect) {
    return {
      left: Math.min(Math.max(point.left, rect.left), rect.right),
      top: Math.min(Math.max(point.top, rect.top), rect.bottom),
    }
  }
  // Returns a point that is the center of the given rectangle
  function getRectCenter(rect) {
    return {
      left: (rect.left + rect.right) / 2,
      top: (rect.top + rect.bottom) / 2,
    }
  }
  // Subtracts point2's coordinates from point1's coordinates, returning a delta
  function diffPoints(point1, point2) {
    return {
      left: point1.left - point2.left,
      top: point1.top - point2.top,
    }
  }

  var canVGrowWithinCell
  function getCanVGrowWithinCell() {
    if (canVGrowWithinCell == null) {
      canVGrowWithinCell = computeCanVGrowWithinCell()
    }
    return canVGrowWithinCell
  }
  function computeCanVGrowWithinCell() {
    // for SSR, because this function is call immediately at top-level
    // TODO: just make this logic execute top-level, immediately, instead of doing lazily
    if (typeof document === 'undefined') {
      return true
    }
    var el = document.createElement('div')
    el.style.position = 'absolute'
    el.style.top = '0px'
    el.style.left = '0px'
    el.innerHTML = '<table><tr><td><div></div></td></tr></table>'
    el.querySelector('table').style.height = '100px'
    el.querySelector('div').style.height = '100%'
    document.body.appendChild(el)
    var div = el.querySelector('div')
    var possible = div.offsetHeight > 0
    document.body.removeChild(el)
    return possible
  }

  var EMPTY_EVENT_STORE = createEmptyEventStore() // for purecomponents. TODO: keep elsewhere
  var Splitter = /** @class */ (function () {
    function Splitter() {
      this.getKeysForEventDefs = memoize(this._getKeysForEventDefs)
      this.splitDateSelection = memoize(this._splitDateSpan)
      this.splitEventStore = memoize(this._splitEventStore)
      this.splitIndividualUi = memoize(this._splitIndividualUi)
      this.splitEventDrag = memoize(this._splitInteraction)
      this.splitEventResize = memoize(this._splitInteraction)
      this.eventUiBuilders = {} // TODO: typescript protection
    }
    Splitter.prototype.splitProps = function (props) {
      var _this = this
      var keyInfos = this.getKeyInfo(props)
      var defKeys = this.getKeysForEventDefs(props.eventStore)
      var dateSelections = this.splitDateSelection(props.dateSelection)
      var individualUi = this.splitIndividualUi(props.eventUiBases, defKeys) // the individual *bases*
      var eventStores = this.splitEventStore(props.eventStore, defKeys)
      var eventDrags = this.splitEventDrag(props.eventDrag)
      var eventResizes = this.splitEventResize(props.eventResize)
      var splitProps = {}
      this.eventUiBuilders = mapHash(keyInfos, function (info, key) {
        return _this.eventUiBuilders[key] || memoize(buildEventUiForKey)
      })
      for (var key in keyInfos) {
        var keyInfo = keyInfos[key]
        var eventStore = eventStores[key] || EMPTY_EVENT_STORE
        var buildEventUi = this.eventUiBuilders[key]
        splitProps[key] = {
          businessHours: keyInfo.businessHours || props.businessHours,
          dateSelection: dateSelections[key] || null,
          eventStore: eventStore,
          eventUiBases: buildEventUi(props.eventUiBases[''], keyInfo.ui, individualUi[key]),
          eventSelection: eventStore.instances[props.eventSelection] ? props.eventSelection : '',
          eventDrag: eventDrags[key] || null,
          eventResize: eventResizes[key] || null,
        }
      }
      return splitProps
    }
    Splitter.prototype._splitDateSpan = function (dateSpan) {
      var dateSpans = {}
      if (dateSpan) {
        var keys = this.getKeysForDateSpan(dateSpan)
        for (var _i = 0, keys_1 = keys; _i < keys_1.length; _i++) {
          var key = keys_1[_i]
          dateSpans[key] = dateSpan
        }
      }
      return dateSpans
    }
    Splitter.prototype._getKeysForEventDefs = function (eventStore) {
      var _this = this
      return mapHash(eventStore.defs, function (eventDef) {
        return _this.getKeysForEventDef(eventDef)
      })
    }
    Splitter.prototype._splitEventStore = function (eventStore, defKeys) {
      var defs = eventStore.defs,
        instances = eventStore.instances
      var splitStores = {}
      for (var defId in defs) {
        for (var _i = 0, _a = defKeys[defId]; _i < _a.length; _i++) {
          var key = _a[_i]
          if (!splitStores[key]) {
            splitStores[key] = createEmptyEventStore()
          }
          splitStores[key].defs[defId] = defs[defId]
        }
      }
      for (var instanceId in instances) {
        var instance = instances[instanceId]
        for (var _b = 0, _c = defKeys[instance.defId]; _b < _c.length; _b++) {
          var key = _c[_b]
          if (splitStores[key]) {
            // must have already been created
            splitStores[key].instances[instanceId] = instance
          }
        }
      }
      return splitStores
    }
    Splitter.prototype._splitIndividualUi = function (eventUiBases, defKeys) {
      var splitHashes = {}
      for (var defId in eventUiBases) {
        if (defId) {
          // not the '' key
          for (var _i = 0, _a = defKeys[defId]; _i < _a.length; _i++) {
            var key = _a[_i]
            if (!splitHashes[key]) {
              splitHashes[key] = {}
            }
            splitHashes[key][defId] = eventUiBases[defId]
          }
        }
      }
      return splitHashes
    }
    Splitter.prototype._splitInteraction = function (interaction) {
      var splitStates = {}
      if (interaction) {
        var affectedStores_1 = this._splitEventStore(interaction.affectedEvents, this._getKeysForEventDefs(interaction.affectedEvents))
        // can't rely on defKeys because event data is mutated
        var mutatedKeysByDefId = this._getKeysForEventDefs(interaction.mutatedEvents)
        var mutatedStores_1 = this._splitEventStore(interaction.mutatedEvents, mutatedKeysByDefId)
        var populate = function (key) {
          if (!splitStates[key]) {
            splitStates[key] = {
              affectedEvents: affectedStores_1[key] || EMPTY_EVENT_STORE,
              mutatedEvents: mutatedStores_1[key] || EMPTY_EVENT_STORE,
              isEvent: interaction.isEvent,
            }
          }
        }
        for (var key in affectedStores_1) {
          populate(key)
        }
        for (var key in mutatedStores_1) {
          populate(key)
        }
      }
      return splitStates
    }
    return Splitter
  })()
  function buildEventUiForKey(allUi, eventUiForKey, individualUi) {
    var baseParts = []
    if (allUi) {
      baseParts.push(allUi)
    }
    if (eventUiForKey) {
      baseParts.push(eventUiForKey)
    }
    var stuff = {
      '': combineEventUis(baseParts),
    }
    if (individualUi) {
      __assign(stuff, individualUi)
    }
    return stuff
  }

  function getDateMeta(date, todayRange, nowDate, dateProfile) {
    return {
      dow: date.getUTCDay(),
      isDisabled: Boolean(dateProfile && !rangeContainsMarker(dateProfile.activeRange, date)),
      isOther: Boolean(dateProfile && !rangeContainsMarker(dateProfile.currentRange, date)),
      isToday: Boolean(todayRange && rangeContainsMarker(todayRange, date)),
      isPast: Boolean(nowDate ? date < nowDate : todayRange ? date < todayRange.start : false),
      isFuture: Boolean(nowDate ? date > nowDate : todayRange ? date >= todayRange.end : false),
    }
  }
  function getDayClassNames(meta, theme) {
    var classNames = ['fc-day', 'fc-day-' + DAY_IDS[meta.dow]]
    if (meta.isDisabled) {
      classNames.push('fc-day-disabled')
    } else {
      if (meta.isToday) {
        classNames.push('fc-day-today')
        classNames.push(theme.getClass('today'))
      }
      if (meta.isPast) {
        classNames.push('fc-day-past')
      }
      if (meta.isFuture) {
        classNames.push('fc-day-future')
      }
      if (meta.isOther) {
        classNames.push('fc-day-other')
      }
    }
    return classNames
  }
  function getSlotClassNames(meta, theme) {
    var classNames = ['fc-slot', 'fc-slot-' + DAY_IDS[meta.dow]]
    if (meta.isDisabled) {
      classNames.push('fc-slot-disabled')
    } else {
      if (meta.isToday) {
        classNames.push('fc-slot-today')
        classNames.push(theme.getClass('today'))
      }
      if (meta.isPast) {
        classNames.push('fc-slot-past')
      }
      if (meta.isFuture) {
        classNames.push('fc-slot-future')
      }
    }
    return classNames
  }

  function buildNavLinkData(date, type) {
    if (type === void 0) {
      type = 'day'
    }
    return JSON.stringify({
      date: formatDayString(date),
      type: type,
    })
  }

  var _isRtlScrollbarOnLeft = null
  function getIsRtlScrollbarOnLeft() {
    if (_isRtlScrollbarOnLeft === null) {
      _isRtlScrollbarOnLeft = computeIsRtlScrollbarOnLeft()
    }
    return _isRtlScrollbarOnLeft
  }
  function computeIsRtlScrollbarOnLeft() {
    var outerEl = document.createElement('div')
    applyStyle(outerEl, {
      position: 'absolute',
      top: -1000,
      left: 0,
      border: 0,
      padding: 0,
      overflow: 'scroll',
      direction: 'rtl',
    })
    outerEl.innerHTML = '<div></div>'
    document.body.appendChild(outerEl)
    var innerEl = outerEl.firstChild
    var res = innerEl.getBoundingClientRect().left > outerEl.getBoundingClientRect().left
    removeElement(outerEl)
    return res
  }

  var _scrollbarWidths
  function getScrollbarWidths() {
    if (!_scrollbarWidths) {
      _scrollbarWidths = computeScrollbarWidths()
    }
    return _scrollbarWidths
  }
  function computeScrollbarWidths() {
    var el = document.createElement('div')
    el.style.overflow = 'scroll'
    el.style.position = 'absolute'
    el.style.top = '-9999px'
    el.style.left = '-9999px'
    document.body.appendChild(el)
    var res = computeScrollbarWidthsForEl(el)
    document.body.removeChild(el)
    return res
  }
  // WARNING: will include border
  function computeScrollbarWidthsForEl(el) {
    return {
      x: el.offsetHeight - el.clientHeight,
      y: el.offsetWidth - el.clientWidth,
    }
  }

  function computeEdges(el, getPadding) {
    if (getPadding === void 0) {
      getPadding = false
    }
    var computedStyle = window.getComputedStyle(el)
    var borderLeft = parseInt(computedStyle.borderLeftWidth, 10) || 0
    var borderRight = parseInt(computedStyle.borderRightWidth, 10) || 0
    var borderTop = parseInt(computedStyle.borderTopWidth, 10) || 0
    var borderBottom = parseInt(computedStyle.borderBottomWidth, 10) || 0
    var badScrollbarWidths = computeScrollbarWidthsForEl(el) // includes border!
    var scrollbarLeftRight = badScrollbarWidths.y - borderLeft - borderRight
    var scrollbarBottom = badScrollbarWidths.x - borderTop - borderBottom
    var res = {
      borderLeft: borderLeft,
      borderRight: borderRight,
      borderTop: borderTop,
      borderBottom: borderBottom,
      scrollbarBottom: scrollbarBottom,
      scrollbarLeft: 0,
      scrollbarRight: 0,
    }
    if (getIsRtlScrollbarOnLeft() && computedStyle.direction === 'rtl') {
      // is the scrollbar on the left side?
      res.scrollbarLeft = scrollbarLeftRight
    } else {
      res.scrollbarRight = scrollbarLeftRight
    }
    if (getPadding) {
      res.paddingLeft = parseInt(computedStyle.paddingLeft, 10) || 0
      res.paddingRight = parseInt(computedStyle.paddingRight, 10) || 0
      res.paddingTop = parseInt(computedStyle.paddingTop, 10) || 0
      res.paddingBottom = parseInt(computedStyle.paddingBottom, 10) || 0
    }
    return res
  }
  function computeInnerRect(el, goWithinPadding, doFromWindowViewport) {
    if (goWithinPadding === void 0) {
      goWithinPadding = false
    }
    var outerRect = doFromWindowViewport ? el.getBoundingClientRect() : computeRect(el)
    var edges = computeEdges(el, goWithinPadding)
    var res = {
      left: outerRect.left + edges.borderLeft + edges.scrollbarLeft,
      right: outerRect.right - edges.borderRight - edges.scrollbarRight,
      top: outerRect.top + edges.borderTop,
      bottom: outerRect.bottom - edges.borderBottom - edges.scrollbarBottom,
    }
    if (goWithinPadding) {
      res.left += edges.paddingLeft
      res.right -= edges.paddingRight
      res.top += edges.paddingTop
      res.bottom -= edges.paddingBottom
    }
    return res
  }
  function computeRect(el) {
    var rect = el.getBoundingClientRect()
    return {
      left: rect.left + window.pageXOffset,
      top: rect.top + window.pageYOffset,
      right: rect.right + window.pageXOffset,
      bottom: rect.bottom + window.pageYOffset,
    }
  }
  function computeHeightAndMargins(el) {
    return el.getBoundingClientRect().height + computeVMargins(el)
  }
  function computeVMargins(el) {
    var computed = window.getComputedStyle(el)
    return parseInt(computed.marginTop, 10) + parseInt(computed.marginBottom, 10)
  }
  // does not return window
  function getClippingParents(el) {
    var parents = []
    while (el instanceof HTMLElement) {
      // will stop when gets to document or null
      var computedStyle = window.getComputedStyle(el)
      if (computedStyle.position === 'fixed') {
        break
      }
      if (/(auto|scroll)/.test(computedStyle.overflow + computedStyle.overflowY + computedStyle.overflowX)) {
        parents.push(el)
      }
      el = el.parentNode
    }
    return parents
  }

  // given a function that resolves a result asynchronously.
  // the function can either call passed-in success and failure callbacks,
  // or it can return a promise.
  // if you need to pass additional params to func, bind them first.
  function unpromisify(func, success, failure) {
    // guard against success/failure callbacks being called more than once
    // and guard against a promise AND callback being used together.
    var isResolved = false
    var wrappedSuccess = function () {
      if (!isResolved) {
        isResolved = true
        success.apply(this, arguments) // eslint-disable-line prefer-rest-params
      }
    }
    var wrappedFailure = function () {
      if (!isResolved) {
        isResolved = true
        if (failure) {
          failure.apply(this, arguments) // eslint-disable-line prefer-rest-params
        }
      }
    }
    var res = func(wrappedSuccess, wrappedFailure)
    if (res && typeof res.then === 'function') {
      res.then(wrappedSuccess, wrappedFailure)
    }
  }

  var Emitter = /** @class */ (function () {
    function Emitter() {
      this.handlers = {}
      this.thisContext = null
    }
    Emitter.prototype.setThisContext = function (thisContext) {
      this.thisContext = thisContext
    }
    Emitter.prototype.setOptions = function (options) {
      this.options = options
    }
    Emitter.prototype.on = function (type, handler) {
      addToHash(this.handlers, type, handler)
    }
    Emitter.prototype.off = function (type, handler) {
      removeFromHash(this.handlers, type, handler)
    }
    Emitter.prototype.trigger = function (type) {
      var args = []
      for (var _i = 1; _i < arguments.length; _i++) {
        args[_i - 1] = arguments[_i]
      }
      var attachedHandlers = this.handlers[type] || []
      var optionHandler = this.options && this.options[type]
      var handlers = [].concat(optionHandler || [], attachedHandlers)
      for (var _a = 0, handlers_1 = handlers; _a < handlers_1.length; _a++) {
        var handler = handlers_1[_a]
        handler.apply(this.thisContext, args)
      }
    }
    Emitter.prototype.hasHandlers = function (type) {
      return (this.handlers[type] && this.handlers[type].length) || (this.options && this.options[type])
    }
    return Emitter
  })()
  function addToHash(hash, type, handler) {
    ;(hash[type] || (hash[type] = [])).push(handler)
  }
  function removeFromHash(hash, type, handler) {
    if (handler) {
      if (hash[type]) {
        hash[type] = hash[type].filter(function (func) {
          return func !== handler
        })
      }
    } else {
      delete hash[type] // remove all handler funcs for this type
    }
  }

  /*
    Records offset information for a set of elements, relative to an origin element.
    Can record the left/right OR the top/bottom OR both.
    Provides methods for querying the cache by position.
    */
  var PositionCache = /** @class */ (function () {
    function PositionCache(originEl, els, isHorizontal, isVertical) {
      this.els = els
      var originClientRect = (this.originClientRect = originEl.getBoundingClientRect()) // relative to viewport top-left
      if (isHorizontal) {
        this.buildElHorizontals(originClientRect.left)
      }
      if (isVertical) {
        this.buildElVerticals(originClientRect.top)
      }
    }
    // Populates the left/right internal coordinate arrays
    PositionCache.prototype.buildElHorizontals = function (originClientLeft) {
      var lefts = []
      var rights = []
      for (var _i = 0, _a = this.els; _i < _a.length; _i++) {
        var el = _a[_i]
        var rect = el.getBoundingClientRect()
        lefts.push(rect.left - originClientLeft)
        rights.push(rect.right - originClientLeft)
      }
      this.lefts = lefts
      this.rights = rights
    }
    // Populates the top/bottom internal coordinate arrays
    PositionCache.prototype.buildElVerticals = function (originClientTop) {
      var tops = []
      var bottoms = []
      for (var _i = 0, _a = this.els; _i < _a.length; _i++) {
        var el = _a[_i]
        var rect = el.getBoundingClientRect()
        tops.push(rect.top - originClientTop)
        bottoms.push(rect.bottom - originClientTop)
      }
      this.tops = tops
      this.bottoms = bottoms
    }
    // Given a left offset (from document left), returns the index of the el that it horizontally intersects.
    // If no intersection is made, returns undefined.
    PositionCache.prototype.leftToIndex = function (leftPosition) {
      var _a = this,
        lefts = _a.lefts,
        rights = _a.rights
      var len = lefts.length
      var i
      for (i = 0; i < len; i += 1) {
        if (leftPosition >= lefts[i] && leftPosition < rights[i]) {
          return i
        }
      }
      return undefined // TODO: better
    }
    // Given a top offset (from document top), returns the index of the el that it vertically intersects.
    // If no intersection is made, returns undefined.
    PositionCache.prototype.topToIndex = function (topPosition) {
      var _a = this,
        tops = _a.tops,
        bottoms = _a.bottoms
      var len = tops.length
      var i
      for (i = 0; i < len; i += 1) {
        if (topPosition >= tops[i] && topPosition < bottoms[i]) {
          return i
        }
      }
      return undefined // TODO: better
    }
    // Gets the width of the element at the given index
    PositionCache.prototype.getWidth = function (leftIndex) {
      return this.rights[leftIndex] - this.lefts[leftIndex]
    }
    // Gets the height of the element at the given index
    PositionCache.prototype.getHeight = function (topIndex) {
      return this.bottoms[topIndex] - this.tops[topIndex]
    }
    return PositionCache
  })()

  /* eslint max-classes-per-file: "off" */
  /*
    An object for getting/setting scroll-related information for an element.
    Internally, this is done very differently for window versus DOM element,
    so this object serves as a common interface.
    */
  var ScrollController = /** @class */ (function () {
    function ScrollController() {}
    ScrollController.prototype.getMaxScrollTop = function () {
      return this.getScrollHeight() - this.getClientHeight()
    }
    ScrollController.prototype.getMaxScrollLeft = function () {
      return this.getScrollWidth() - this.getClientWidth()
    }
    ScrollController.prototype.canScrollVertically = function () {
      return this.getMaxScrollTop() > 0
    }
    ScrollController.prototype.canScrollHorizontally = function () {
      return this.getMaxScrollLeft() > 0
    }
    ScrollController.prototype.canScrollUp = function () {
      return this.getScrollTop() > 0
    }
    ScrollController.prototype.canScrollDown = function () {
      return this.getScrollTop() < this.getMaxScrollTop()
    }
    ScrollController.prototype.canScrollLeft = function () {
      return this.getScrollLeft() > 0
    }
    ScrollController.prototype.canScrollRight = function () {
      return this.getScrollLeft() < this.getMaxScrollLeft()
    }
    return ScrollController
  })()
  var ElementScrollController = /** @class */ (function (_super) {
    __extends(ElementScrollController, _super)
    function ElementScrollController(el) {
      var _this = _super.call(this) || this
      _this.el = el
      return _this
    }
    ElementScrollController.prototype.getScrollTop = function () {
      return this.el.scrollTop
    }
    ElementScrollController.prototype.getScrollLeft = function () {
      return this.el.scrollLeft
    }
    ElementScrollController.prototype.setScrollTop = function (top) {
      this.el.scrollTop = top
    }
    ElementScrollController.prototype.setScrollLeft = function (left) {
      this.el.scrollLeft = left
    }
    ElementScrollController.prototype.getScrollWidth = function () {
      return this.el.scrollWidth
    }
    ElementScrollController.prototype.getScrollHeight = function () {
      return this.el.scrollHeight
    }
    ElementScrollController.prototype.getClientHeight = function () {
      return this.el.clientHeight
    }
    ElementScrollController.prototype.getClientWidth = function () {
      return this.el.clientWidth
    }
    return ElementScrollController
  })(ScrollController)
  var WindowScrollController = /** @class */ (function (_super) {
    __extends(WindowScrollController, _super)
    function WindowScrollController() {
      return (_super !== null && _super.apply(this, arguments)) || this
    }
    WindowScrollController.prototype.getScrollTop = function () {
      return window.pageYOffset
    }
    WindowScrollController.prototype.getScrollLeft = function () {
      return window.pageXOffset
    }
    WindowScrollController.prototype.setScrollTop = function (n) {
      window.scroll(window.pageXOffset, n)
    }
    WindowScrollController.prototype.setScrollLeft = function (n) {
      window.scroll(n, window.pageYOffset)
    }
    WindowScrollController.prototype.getScrollWidth = function () {
      return document.documentElement.scrollWidth
    }
    WindowScrollController.prototype.getScrollHeight = function () {
      return document.documentElement.scrollHeight
    }
    WindowScrollController.prototype.getClientHeight = function () {
      return document.documentElement.clientHeight
    }
    WindowScrollController.prototype.getClientWidth = function () {
      return document.documentElement.clientWidth
    }
    return WindowScrollController
  })(ScrollController)

  var Theme = /** @class */ (function () {
    function Theme(calendarOptions) {
      if (this.iconOverrideOption) {
        this.setIconOverride(calendarOptions[this.iconOverrideOption])
      }
    }
    Theme.prototype.setIconOverride = function (iconOverrideHash) {
      var iconClassesCopy
      var buttonName
      if (typeof iconOverrideHash === 'object' && iconOverrideHash) {
        // non-null object
        iconClassesCopy = __assign({}, this.iconClasses)
        for (buttonName in iconOverrideHash) {
          iconClassesCopy[buttonName] = this.applyIconOverridePrefix(iconOverrideHash[buttonName])
        }
        this.iconClasses = iconClassesCopy
      } else if (iconOverrideHash === false) {
        this.iconClasses = {}
      }
    }
    Theme.prototype.applyIconOverridePrefix = function (className) {
      var prefix = this.iconOverridePrefix
      if (prefix && className.indexOf(prefix) !== 0) {
        // if not already present
        className = prefix + className
      }
      return className
    }
    Theme.prototype.getClass = function (key) {
      return this.classes[key] || ''
    }
    Theme.prototype.getIconClass = function (buttonName, isRtl) {
      var className
      if (isRtl && this.rtlIconClasses) {
        className = this.rtlIconClasses[buttonName] || this.iconClasses[buttonName]
      } else {
        className = this.iconClasses[buttonName]
      }
      if (className) {
        return this.baseIconClass + ' ' + className
      }
      return ''
    }
    Theme.prototype.getCustomButtonIconClass = function (customButtonProps) {
      var className
      if (this.iconOverrideCustomButtonOption) {
        className = customButtonProps[this.iconOverrideCustomButtonOption]
        if (className) {
          return this.baseIconClass + ' ' + this.applyIconOverridePrefix(className)
        }
      }
      return ''
    }
    return Theme
  })()
  Theme.prototype.classes = {}
  Theme.prototype.iconClasses = {}
  Theme.prototype.baseIconClass = ''
  Theme.prototype.iconOverridePrefix = ''

  /// <reference types="@fullcalendar/core-preact" />
  if (typeof FullCalendarVDom === 'undefined') {
    throw new Error('Please import the top-level fullcalendar lib before attempting to import a plugin.')
  }
  var Component = FullCalendarVDom.Component
  var createElement = FullCalendarVDom.createElement
  var render = FullCalendarVDom.render
  var createRef = FullCalendarVDom.createRef
  var Fragment = FullCalendarVDom.Fragment
  var createContext$1 = FullCalendarVDom.createContext
  var flushToDom$1 = FullCalendarVDom.flushToDom
  var unmountComponentAtNode$1 = FullCalendarVDom.unmountComponentAtNode

  var ScrollResponder = /** @class */ (function () {
    function ScrollResponder(execFunc, emitter, scrollTime) {
      var _this = this
      this.execFunc = execFunc
      this.emitter = emitter
      this.scrollTime = scrollTime
      this.handleScrollRequest = function (request) {
        _this.queuedRequest = __assign({}, _this.queuedRequest || {}, request)
        _this.drain()
      }
      emitter.on('_scrollRequest', this.handleScrollRequest)
      this.fireInitialScroll()
    }
    ScrollResponder.prototype.detach = function () {
      this.emitter.off('_scrollRequest', this.handleScrollRequest)
    }
    ScrollResponder.prototype.update = function (isDatesNew) {
      if (isDatesNew) {
        this.fireInitialScroll() // will drain
      } else {
        this.drain()
      }
    }
    ScrollResponder.prototype.fireInitialScroll = function () {
      this.handleScrollRequest({
        time: this.scrollTime,
      })
    }
    ScrollResponder.prototype.drain = function () {
      if (this.queuedRequest && this.execFunc(this.queuedRequest)) {
        this.queuedRequest = null
      }
    }
    return ScrollResponder
  })()

  var ViewContextType = createContext$1({}) // for Components
  function buildViewContext(
    viewSpec,
    viewApi,
    viewOptions,
    dateProfileGenerator,
    dateEnv,
    theme,
    pluginHooks,
    dispatch,
    getCurrentData,
    emitter,
    calendarApi,
    registerInteractiveComponent,
    unregisterInteractiveComponent
  ) {
    return {
      dateEnv: dateEnv,
      options: viewOptions,
      pluginHooks: pluginHooks,
      emitter: emitter,
      dispatch: dispatch,
      getCurrentData: getCurrentData,
      calendarApi: calendarApi,
      viewSpec: viewSpec,
      viewApi: viewApi,
      dateProfileGenerator: dateProfileGenerator,
      theme: theme,
      isRtl: viewOptions.direction === 'rtl',
      addResizeHandler: function (handler) {
        emitter.on('_resize', handler)
      },
      removeResizeHandler: function (handler) {
        emitter.off('_resize', handler)
      },
      createScrollResponder: function (execFunc) {
        return new ScrollResponder(execFunc, emitter, createDuration(viewOptions.scrollTime))
      },
      registerInteractiveComponent: registerInteractiveComponent,
      unregisterInteractiveComponent: unregisterInteractiveComponent,
    }
  }

  /* eslint max-classes-per-file: off */
  var PureComponent = /** @class */ (function (_super) {
    __extends(PureComponent, _super)
    function PureComponent() {
      return (_super !== null && _super.apply(this, arguments)) || this
    }
    PureComponent.prototype.shouldComponentUpdate = function (nextProps, nextState) {
      if (this.debug) {
        // eslint-disable-next-line no-console
        console.log(getUnequalProps(nextProps, this.props), getUnequalProps(nextState, this.state))
      }
      return !compareObjs(this.props, nextProps, this.propEquality) || !compareObjs(this.state, nextState, this.stateEquality)
    }
    PureComponent.addPropsEquality = addPropsEquality
    PureComponent.addStateEquality = addStateEquality
    PureComponent.contextType = ViewContextType
    return PureComponent
  })(Component)
  PureComponent.prototype.propEquality = {}
  PureComponent.prototype.stateEquality = {}
  var BaseComponent = /** @class */ (function (_super) {
    __extends(BaseComponent, _super)
    function BaseComponent() {
      return (_super !== null && _super.apply(this, arguments)) || this
    }
    BaseComponent.contextType = ViewContextType
    return BaseComponent
  })(PureComponent)
  function addPropsEquality(propEquality) {
    var hash = Object.create(this.prototype.propEquality)
    __assign(hash, propEquality)
    this.prototype.propEquality = hash
  }
  function addStateEquality(stateEquality) {
    var hash = Object.create(this.prototype.stateEquality)
    __assign(hash, stateEquality)
    this.prototype.stateEquality = hash
  }
  // use other one
  function setRef(ref, current) {
    if (typeof ref === 'function') {
      ref(current)
    } else if (ref) {
      // see https://github.com/facebook/react/issues/13029
      ref.current = current
    }
  }

  function reduceEventStore(eventStore, action, eventSources, dateProfile, context) {
    switch (action.type) {
      case 'RECEIVE_EVENTS': // raw
        return receiveRawEvents(eventStore, eventSources[action.sourceId], action.fetchId, action.fetchRange, action.rawEvents, context)
      case 'ADD_EVENTS': // already parsed, but not expanded
        return addEvent(
          eventStore,
          action.eventStore, // new ones
          dateProfile ? dateProfile.activeRange : null,
          context
        )
      case 'RESET_EVENTS':
        return action.eventStore
      case 'MERGE_EVENTS': // already parsed and expanded
        return mergeEventStores(eventStore, action.eventStore)
      case 'PREV': // TODO: how do we track all actions that affect dateProfile :(
      case 'NEXT':
      case 'CHANGE_DATE':
      case 'CHANGE_VIEW_TYPE':
        if (dateProfile) {
          return expandRecurring(eventStore, dateProfile.activeRange, context)
        }
        return eventStore
      case 'REMOVE_EVENTS':
        return excludeSubEventStore(eventStore, action.eventStore)
      case 'REMOVE_EVENT_SOURCE':
        return excludeEventsBySourceId(eventStore, action.sourceId)
      case 'REMOVE_ALL_EVENT_SOURCES':
        return filterEventStoreDefs(eventStore, function (eventDef) {
          return !eventDef.sourceId // only keep events with no source id
        })
      case 'REMOVE_ALL_EVENTS':
        return createEmptyEventStore()
      default:
        return eventStore
    }
  }
  function receiveRawEvents(eventStore, eventSource, fetchId, fetchRange, rawEvents, context) {
    if (
      eventSource && // not already removed
      fetchId === eventSource.latestFetchId // TODO: wish this logic was always in event-sources
    ) {
      var subset = parseEvents(transformRawEvents(rawEvents, eventSource, context), eventSource, context)
      if (fetchRange) {
        subset = expandRecurring(subset, fetchRange, context)
      }
      return mergeEventStores(excludeEventsBySourceId(eventStore, eventSource.sourceId), subset)
    }
    return eventStore
  }
  function transformRawEvents(rawEvents, eventSource, context) {
    var calEachTransform = context.options.eventDataTransform
    var sourceEachTransform = eventSource ? eventSource.eventDataTransform : null
    if (sourceEachTransform) {
      rawEvents = transformEachRawEvent(rawEvents, sourceEachTransform)
    }
    if (calEachTransform) {
      rawEvents = transformEachRawEvent(rawEvents, calEachTransform)
    }
    return rawEvents
  }
  function transformEachRawEvent(rawEvents, func) {
    var refinedEvents
    if (!func) {
      refinedEvents = rawEvents
    } else {
      refinedEvents = []
      for (var _i = 0, rawEvents_1 = rawEvents; _i < rawEvents_1.length; _i++) {
        var rawEvent = rawEvents_1[_i]
        var refinedEvent = func(rawEvent)
        if (refinedEvent) {
          refinedEvents.push(refinedEvent)
        } else if (refinedEvent == null) {
          refinedEvents.push(rawEvent)
        } // if a different falsy value, do nothing
      }
    }
    return refinedEvents
  }
  function addEvent(eventStore, subset, expandRange, context) {
    if (expandRange) {
      subset = expandRecurring(subset, expandRange, context)
    }
    return mergeEventStores(eventStore, subset)
  }
  function rezoneEventStoreDates(eventStore, oldDateEnv, newDateEnv) {
    var defs = eventStore.defs
    var instances = mapHash(eventStore.instances, function (instance) {
      var def = defs[instance.defId]
      if (def.allDay || def.recurringDef) {
        return instance // isn't dependent on timezone
      }
      return __assign(__assign({}, instance), {
        range: {
          start: newDateEnv.createMarker(oldDateEnv.toDate(instance.range.start, instance.forcedStartTzo)),
          end: newDateEnv.createMarker(oldDateEnv.toDate(instance.range.end, instance.forcedEndTzo)),
        },
        forcedStartTzo: newDateEnv.canComputeOffset ? null : instance.forcedStartTzo,
        forcedEndTzo: newDateEnv.canComputeOffset ? null : instance.forcedEndTzo,
      })
    })
    return { defs: defs, instances: instances }
  }
  function excludeEventsBySourceId(eventStore, sourceId) {
    return filterEventStoreDefs(eventStore, function (eventDef) {
      return eventDef.sourceId !== sourceId
    })
  }
  // QUESTION: why not just return instances? do a general object-property-exclusion util
  function excludeInstances(eventStore, removals) {
    return {
      defs: eventStore.defs,
      instances: filterHash(eventStore.instances, function (instance) {
        return !removals[instance.instanceId]
      }),
    }
  }

  // high-level segmenting-aware tester functions
  // ------------------------------------------------------------------------------------------------------------------------
  function isInteractionValid(interaction, context) {
    return isNewPropsValid({ eventDrag: interaction }, context) // HACK: the eventDrag props is used for ALL interactions
  }
  function isDateSelectionValid(dateSelection, context) {
    return isNewPropsValid({ dateSelection: dateSelection }, context)
  }
  function isNewPropsValid(newProps, context) {
    var calendarState = context.getCurrentData()
    var props = __assign(
      {
        businessHours: calendarState.businessHours,
        dateSelection: '',
        eventStore: calendarState.eventStore,
        eventUiBases: calendarState.eventUiBases,
        eventSelection: '',
        eventDrag: null,
        eventResize: null,
      },
      newProps
    )
    return (context.pluginHooks.isPropsValid || isPropsValid)(props, context)
  }
  function isPropsValid(state, context, dateSpanMeta, filterConfig) {
    if (dateSpanMeta === void 0) {
      dateSpanMeta = {}
    }
    if (state.eventDrag && !isInteractionPropsValid(state, context, dateSpanMeta, filterConfig)) {
      return false
    }
    if (state.dateSelection && !isDateSelectionPropsValid(state, context, dateSpanMeta, filterConfig)) {
      return false
    }
    return true
  }
  // Moving Event Validation
  // ------------------------------------------------------------------------------------------------------------------------
  function isInteractionPropsValid(state, context, dateSpanMeta, filterConfig) {
    var currentState = context.getCurrentData()
    var interaction = state.eventDrag // HACK: the eventDrag props is used for ALL interactions
    var subjectEventStore = interaction.mutatedEvents
    var subjectDefs = subjectEventStore.defs
    var subjectInstances = subjectEventStore.instances
    var subjectConfigs = compileEventUis(subjectDefs, interaction.isEvent ? state.eventUiBases : { '': currentState.selectionConfig })
    if (filterConfig) {
      subjectConfigs = mapHash(subjectConfigs, filterConfig)
    }
    // exclude the subject events. TODO: exclude defs too?
    var otherEventStore = excludeInstances(state.eventStore, interaction.affectedEvents.instances)
    var otherDefs = otherEventStore.defs
    var otherInstances = otherEventStore.instances
    var otherConfigs = compileEventUis(otherDefs, state.eventUiBases)
    for (var subjectInstanceId in subjectInstances) {
      var subjectInstance = subjectInstances[subjectInstanceId]
      var subjectRange = subjectInstance.range
      var subjectConfig = subjectConfigs[subjectInstance.defId]
      var subjectDef = subjectDefs[subjectInstance.defId]
      // constraint
      if (!allConstraintsPass(subjectConfig.constraints, subjectRange, otherEventStore, state.businessHours, context)) {
        return false
      }
      // overlap
      var eventOverlap = context.options.eventOverlap
      var eventOverlapFunc = typeof eventOverlap === 'function' ? eventOverlap : null
      for (var otherInstanceId in otherInstances) {
        var otherInstance = otherInstances[otherInstanceId]
        // intersect! evaluate
        if (rangesIntersect(subjectRange, otherInstance.range)) {
          var otherOverlap = otherConfigs[otherInstance.defId].overlap
          // consider the other event's overlap. only do this if the subject event is a "real" event
          if (otherOverlap === false && interaction.isEvent) {
            return false
          }
          if (subjectConfig.overlap === false) {
            return false
          }
          if (
            eventOverlapFunc &&
            !eventOverlapFunc(
              new EventApi(context, otherDefs[otherInstance.defId], otherInstance), // still event
              new EventApi(context, subjectDef, subjectInstance)
            )
          ) {
            return false
          }
        }
      }
      // allow (a function)
      var calendarEventStore = currentState.eventStore // need global-to-calendar, not local to component (splittable)state
      for (var _i = 0, _a = subjectConfig.allows; _i < _a.length; _i++) {
        var subjectAllow = _a[_i]
        var subjectDateSpan = __assign(__assign({}, dateSpanMeta), {
          range: subjectInstance.range,
          allDay: subjectDef.allDay,
        })
        var origDef = calendarEventStore.defs[subjectDef.defId]
        var origInstance = calendarEventStore.instances[subjectInstanceId]
        var eventApi = void 0
        if (origDef) {
          // was previously in the calendar
          eventApi = new EventApi(context, origDef, origInstance)
        } else {
          // was an external event
          eventApi = new EventApi(context, subjectDef) // no instance, because had no dates
        }
        if (!subjectAllow(buildDateSpanApiWithContext(subjectDateSpan, context), eventApi)) {
          return false
        }
      }
    }
    return true
  }
  // Date Selection Validation
  // ------------------------------------------------------------------------------------------------------------------------
  function isDateSelectionPropsValid(state, context, dateSpanMeta, filterConfig) {
    var relevantEventStore = state.eventStore
    var relevantDefs = relevantEventStore.defs
    var relevantInstances = relevantEventStore.instances
    var selection = state.dateSelection
    var selectionRange = selection.range
    var selectionConfig = context.getCurrentData().selectionConfig
    if (filterConfig) {
      selectionConfig = filterConfig(selectionConfig)
    }
    // constraint
    if (!allConstraintsPass(selectionConfig.constraints, selectionRange, relevantEventStore, state.businessHours, context)) {
      return false
    }
    // overlap
    var selectOverlap = context.options.selectOverlap
    var selectOverlapFunc = typeof selectOverlap === 'function' ? selectOverlap : null
    for (var relevantInstanceId in relevantInstances) {
      var relevantInstance = relevantInstances[relevantInstanceId]
      // intersect! evaluate
      if (rangesIntersect(selectionRange, relevantInstance.range)) {
        if (selectionConfig.overlap === false) {
          return false
        }
        if (selectOverlapFunc && !selectOverlapFunc(new EventApi(context, relevantDefs[relevantInstance.defId], relevantInstance), null)) {
          return false
        }
      }
    }
    // allow (a function)
    for (var _i = 0, _a = selectionConfig.allows; _i < _a.length; _i++) {
      var selectionAllow = _a[_i]
      var fullDateSpan = __assign(__assign({}, dateSpanMeta), selection)
      if (!selectionAllow(buildDateSpanApiWithContext(fullDateSpan, context), null)) {
        return false
      }
    }
    return true
  }
  // Constraint Utils
  // ------------------------------------------------------------------------------------------------------------------------
  function allConstraintsPass(constraints, subjectRange, otherEventStore, businessHoursUnexpanded, context) {
    for (var _i = 0, constraints_1 = constraints; _i < constraints_1.length; _i++) {
      var constraint = constraints_1[_i]
      if (!anyRangesContainRange(constraintToRanges(constraint, subjectRange, otherEventStore, businessHoursUnexpanded, context), subjectRange)) {
        return false
      }
    }
    return true
  }
  function constraintToRanges(
    constraint,
    subjectRange, // for expanding a recurring constraint, or expanding business hours
    otherEventStore, // for if constraint is an even group ID
    businessHoursUnexpanded, // for if constraint is 'businessHours'
    context
  ) {
    if (constraint === 'businessHours') {
      return eventStoreToRanges(expandRecurring(businessHoursUnexpanded, subjectRange, context))
    }
    if (typeof constraint === 'string') {
      // an group ID
      return eventStoreToRanges(
        filterEventStoreDefs(otherEventStore, function (eventDef) {
          return eventDef.groupId === constraint
        })
      )
    }
    if (typeof constraint === 'object' && constraint) {
      // non-null object
      return eventStoreToRanges(expandRecurring(constraint, subjectRange, context))
    }
    return [] // if it's false
  }
  // TODO: move to event-store file?
  function eventStoreToRanges(eventStore) {
    var instances = eventStore.instances
    var ranges = []
    for (var instanceId in instances) {
      ranges.push(instances[instanceId].range)
    }
    return ranges
  }
  // TODO: move to geom file?
  function anyRangesContainRange(outerRanges, innerRange) {
    for (var _i = 0, outerRanges_1 = outerRanges; _i < outerRanges_1.length; _i++) {
      var outerRange = outerRanges_1[_i]
      if (rangeContainsRange(outerRange, innerRange)) {
        return true
      }
    }
    return false
  }

  /*
    an INTERACTABLE date component

    PURPOSES:
    - hook up to fg, fill, and mirror renderers
    - interface for dragging and hits
    */
  var DateComponent = /** @class */ (function (_super) {
    __extends(DateComponent, _super)
    function DateComponent() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this
      _this.uid = guid()
      return _this
    }
    // Hit System
    // -----------------------------------------------------------------------------------------------------------------
    DateComponent.prototype.prepareHits = function () {}
    DateComponent.prototype.queryHit = function (positionLeft, positionTop, elWidth, elHeight) {
      return null // this should be abstract
    }
    // Validation
    // -----------------------------------------------------------------------------------------------------------------
    DateComponent.prototype.isInteractionValid = function (interaction) {
      var dateProfile = this.props.dateProfile // HACK
      var instances = interaction.mutatedEvents.instances
      if (dateProfile) {
        // HACK for MorePopover
        for (var instanceId in instances) {
          if (!rangeContainsRange(dateProfile.validRange, instances[instanceId].range)) {
            return false
          }
        }
      }
      return isInteractionValid(interaction, this.context)
    }
    DateComponent.prototype.isDateSelectionValid = function (selection) {
      var dateProfile = this.props.dateProfile // HACK
      if (
        dateProfile && // HACK for MorePopover
        !rangeContainsRange(dateProfile.validRange, selection.range)
      ) {
        return false
      }
      return isDateSelectionValid(selection, this.context)
    }
    // Pointer Interaction Utils
    // -----------------------------------------------------------------------------------------------------------------
    DateComponent.prototype.isValidSegDownEl = function (el) {
      return (
        !this.props.eventDrag && // HACK
        !this.props.eventResize && // HACK
        !elementClosest(el, '.fc-event-mirror')
      )
    }
    DateComponent.prototype.isValidDateDownEl = function (el) {
      return (
        !elementClosest(el, '.fc-event:not(.fc-bg-event)') &&
        !elementClosest(el, '.fc-daygrid-more-link') && // a "more.." link
        !elementClosest(el, 'a[data-navlink]') && // a clickable nav link
        !elementClosest(el, '.fc-popover')
      ) // hack
    }
    return DateComponent
  })(BaseComponent)

  // TODO: easier way to add new hooks? need to update a million things
  function createPlugin(input) {
    return {
      id: guid(),
      deps: input.deps || [],
      reducers: input.reducers || [],
      isLoadingFuncs: input.isLoadingFuncs || [],
      contextInit: [].concat(input.contextInit || []),
      eventRefiners: input.eventRefiners || {},
      eventDefMemberAdders: input.eventDefMemberAdders || [],
      eventSourceRefiners: input.eventSourceRefiners || {},
      isDraggableTransformers: input.isDraggableTransformers || [],
      eventDragMutationMassagers: input.eventDragMutationMassagers || [],
      eventDefMutationAppliers: input.eventDefMutationAppliers || [],
      dateSelectionTransformers: input.dateSelectionTransformers || [],
      datePointTransforms: input.datePointTransforms || [],
      dateSpanTransforms: input.dateSpanTransforms || [],
      views: input.views || {},
      viewPropsTransformers: input.viewPropsTransformers || [],
      isPropsValid: input.isPropsValid || null,
      externalDefTransforms: input.externalDefTransforms || [],
      eventResizeJoinTransforms: input.eventResizeJoinTransforms || [],
      viewContainerAppends: input.viewContainerAppends || [],
      eventDropTransformers: input.eventDropTransformers || [],
      componentInteractions: input.componentInteractions || [],
      calendarInteractions: input.calendarInteractions || [],
      themeClasses: input.themeClasses || {},
      eventSourceDefs: input.eventSourceDefs || [],
      cmdFormatter: input.cmdFormatter,
      recurringTypes: input.recurringTypes || [],
      namedTimeZonedImpl: input.namedTimeZonedImpl,
      initialView: input.initialView || '',
      elementDraggingImpl: input.elementDraggingImpl,
      optionChangeHandlers: input.optionChangeHandlers || {},
      scrollGridImpl: input.scrollGridImpl || null,
      contentTypeHandlers: input.contentTypeHandlers || {},
      listenerRefiners: input.listenerRefiners || {},
      optionRefiners: input.optionRefiners || {},
      propSetHandlers: input.propSetHandlers || {},
    }
  }
  function buildPluginHooks(pluginDefs, globalDefs) {
    var isAdded = {}
    var hooks = {
      reducers: [],
      isLoadingFuncs: [],
      contextInit: [],
      eventRefiners: {},
      eventDefMemberAdders: [],
      eventSourceRefiners: {},
      isDraggableTransformers: [],
      eventDragMutationMassagers: [],
      eventDefMutationAppliers: [],
      dateSelectionTransformers: [],
      datePointTransforms: [],
      dateSpanTransforms: [],
      views: {},
      viewPropsTransformers: [],
      isPropsValid: null,
      externalDefTransforms: [],
      eventResizeJoinTransforms: [],
      viewContainerAppends: [],
      eventDropTransformers: [],
      componentInteractions: [],
      calendarInteractions: [],
      themeClasses: {},
      eventSourceDefs: [],
      cmdFormatter: null,
      recurringTypes: [],
      namedTimeZonedImpl: null,
      initialView: '',
      elementDraggingImpl: null,
      optionChangeHandlers: {},
      scrollGridImpl: null,
      contentTypeHandlers: {},
      listenerRefiners: {},
      optionRefiners: {},
      propSetHandlers: {},
    }
    function addDefs(defs) {
      for (var _i = 0, defs_1 = defs; _i < defs_1.length; _i++) {
        var def = defs_1[_i]
        if (!isAdded[def.id]) {
          isAdded[def.id] = true
          addDefs(def.deps)
          hooks = combineHooks(hooks, def)
        }
      }
    }
    if (pluginDefs) {
      addDefs(pluginDefs)
    }
    addDefs(globalDefs)
    return hooks
  }
  function buildBuildPluginHooks() {
    var currentOverrideDefs = []
    var currentGlobalDefs = []
    var currentHooks
    return function (overrideDefs, globalDefs) {
      if (!currentHooks || !isArraysEqual(overrideDefs, currentOverrideDefs) || !isArraysEqual(globalDefs, currentGlobalDefs)) {
        currentHooks = buildPluginHooks(overrideDefs, globalDefs)
      }
      currentOverrideDefs = overrideDefs
      currentGlobalDefs = globalDefs
      return currentHooks
    }
  }
  function combineHooks(hooks0, hooks1) {
    return {
      reducers: hooks0.reducers.concat(hooks1.reducers),
      isLoadingFuncs: hooks0.isLoadingFuncs.concat(hooks1.isLoadingFuncs),
      contextInit: hooks0.contextInit.concat(hooks1.contextInit),
      eventRefiners: __assign(__assign({}, hooks0.eventRefiners), hooks1.eventRefiners),
      eventDefMemberAdders: hooks0.eventDefMemberAdders.concat(hooks1.eventDefMemberAdders),
      eventSourceRefiners: __assign(__assign({}, hooks0.eventSourceRefiners), hooks1.eventSourceRefiners),
      isDraggableTransformers: hooks0.isDraggableTransformers.concat(hooks1.isDraggableTransformers),
      eventDragMutationMassagers: hooks0.eventDragMutationMassagers.concat(hooks1.eventDragMutationMassagers),
      eventDefMutationAppliers: hooks0.eventDefMutationAppliers.concat(hooks1.eventDefMutationAppliers),
      dateSelectionTransformers: hooks0.dateSelectionTransformers.concat(hooks1.dateSelectionTransformers),
      datePointTransforms: hooks0.datePointTransforms.concat(hooks1.datePointTransforms),
      dateSpanTransforms: hooks0.dateSpanTransforms.concat(hooks1.dateSpanTransforms),
      views: __assign(__assign({}, hooks0.views), hooks1.views),
      viewPropsTransformers: hooks0.viewPropsTransformers.concat(hooks1.viewPropsTransformers),
      isPropsValid: hooks1.isPropsValid || hooks0.isPropsValid,
      externalDefTransforms: hooks0.externalDefTransforms.concat(hooks1.externalDefTransforms),
      eventResizeJoinTransforms: hooks0.eventResizeJoinTransforms.concat(hooks1.eventResizeJoinTransforms),
      viewContainerAppends: hooks0.viewContainerAppends.concat(hooks1.viewContainerAppends),
      eventDropTransformers: hooks0.eventDropTransformers.concat(hooks1.eventDropTransformers),
      calendarInteractions: hooks0.calendarInteractions.concat(hooks1.calendarInteractions),
      componentInteractions: hooks0.componentInteractions.concat(hooks1.componentInteractions),
      themeClasses: __assign(__assign({}, hooks0.themeClasses), hooks1.themeClasses),
      eventSourceDefs: hooks0.eventSourceDefs.concat(hooks1.eventSourceDefs),
      cmdFormatter: hooks1.cmdFormatter || hooks0.cmdFormatter,
      recurringTypes: hooks0.recurringTypes.concat(hooks1.recurringTypes),
      namedTimeZonedImpl: hooks1.namedTimeZonedImpl || hooks0.namedTimeZonedImpl,
      initialView: hooks0.initialView || hooks1.initialView,
      elementDraggingImpl: hooks0.elementDraggingImpl || hooks1.elementDraggingImpl,
      optionChangeHandlers: __assign(__assign({}, hooks0.optionChangeHandlers), hooks1.optionChangeHandlers),
      scrollGridImpl: hooks1.scrollGridImpl || hooks0.scrollGridImpl,
      contentTypeHandlers: __assign(__assign({}, hooks0.contentTypeHandlers), hooks1.contentTypeHandlers),
      listenerRefiners: __assign(__assign({}, hooks0.listenerRefiners), hooks1.listenerRefiners),
      optionRefiners: __assign(__assign({}, hooks0.optionRefiners), hooks1.optionRefiners),
      propSetHandlers: __assign(__assign({}, hooks0.propSetHandlers), hooks1.propSetHandlers),
    }
  }

  var StandardTheme = /** @class */ (function (_super) {
    __extends(StandardTheme, _super)
    function StandardTheme() {
      return (_super !== null && _super.apply(this, arguments)) || this
    }
    return StandardTheme
  })(Theme)
  StandardTheme.prototype.classes = {
    root: 'fc-theme-standard',
    tableCellShaded: 'fc-cell-shaded',
    buttonGroup: 'fc-button-group',
    button: 'fc-button fc-button-primary',
    buttonActive: 'fc-button-active',
  }
  StandardTheme.prototype.baseIconClass = 'fc-icon'
  StandardTheme.prototype.iconClasses = {
    close: 'fc-icon-x',
    prev: 'fc-icon-chevron-left',
    next: 'fc-icon-chevron-right',
    prevYear: 'fc-icon-chevrons-left',
    nextYear: 'fc-icon-chevrons-right',
  }
  StandardTheme.prototype.rtlIconClasses = {
    prev: 'fc-icon-chevron-right',
    next: 'fc-icon-chevron-left',
    prevYear: 'fc-icon-chevrons-right',
    nextYear: 'fc-icon-chevrons-left',
  }
  StandardTheme.prototype.iconOverrideOption = 'buttonIcons' // TODO: make TS-friendly
  StandardTheme.prototype.iconOverrideCustomButtonOption = 'icon'
  StandardTheme.prototype.iconOverridePrefix = 'fc-icon-'

  function compileViewDefs(defaultConfigs, overrideConfigs) {
    var hash = {}
    var viewType
    for (viewType in defaultConfigs) {
      ensureViewDef(viewType, hash, defaultConfigs, overrideConfigs)
    }
    for (viewType in overrideConfigs) {
      ensureViewDef(viewType, hash, defaultConfigs, overrideConfigs)
    }
    return hash
  }
  function ensureViewDef(viewType, hash, defaultConfigs, overrideConfigs) {
    if (hash[viewType]) {
      return hash[viewType]
    }
    var viewDef = buildViewDef(viewType, hash, defaultConfigs, overrideConfigs)
    if (viewDef) {
      hash[viewType] = viewDef
    }
    return viewDef
  }
  function buildViewDef(viewType, hash, defaultConfigs, overrideConfigs) {
    var defaultConfig = defaultConfigs[viewType]
    var overrideConfig = overrideConfigs[viewType]
    var queryProp = function (name) {
      return defaultConfig && defaultConfig[name] !== null ? defaultConfig[name] : overrideConfig && overrideConfig[name] !== null ? overrideConfig[name] : null
    }
    var theComponent = queryProp('component')
    var superType = queryProp('superType')
    var superDef = null
    if (superType) {
      if (superType === viewType) {
        throw new Error("Can't have a custom view type that references itself")
      }
      superDef = ensureViewDef(superType, hash, defaultConfigs, overrideConfigs)
    }
    if (!theComponent && superDef) {
      theComponent = superDef.component
    }
    if (!theComponent) {
      return null // don't throw a warning, might be settings for a single-unit view
    }
    return {
      type: viewType,
      component: theComponent,
      defaults: __assign(__assign({}, superDef ? superDef.defaults : {}), defaultConfig ? defaultConfig.rawOptions : {}),
      overrides: __assign(__assign({}, superDef ? superDef.overrides : {}), overrideConfig ? overrideConfig.rawOptions : {}),
    }
  }

  /* eslint max-classes-per-file: off */
  // NOTE: in JSX, you should always use this class with <HookProps> arg. otherwise, will default to any???
  var RenderHook = /** @class */ (function (_super) {
    __extends(RenderHook, _super)
    function RenderHook() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this
      _this.rootElRef = createRef()
      _this.handleRootEl = function (el) {
        setRef(_this.rootElRef, el)
        if (_this.props.elRef) {
          setRef(_this.props.elRef, el)
        }
      }
      return _this
    }
    RenderHook.prototype.render = function () {
      var _this = this
      var props = this.props
      var hookProps = props.hookProps
      return createElement(
        MountHook,
        {
          hookProps: hookProps,
          didMount: props.didMount,
          willUnmount: props.willUnmount,
          elRef: this.handleRootEl,
        },
        function (rootElRef) {
          return createElement(
            ContentHook,
            {
              hookProps: hookProps,
              content: props.content,
              defaultContent: props.defaultContent,
              backupElRef: _this.rootElRef,
            },
            function (innerElRef, innerContent) {
              return props.children(rootElRef, normalizeClassNames(props.classNames, hookProps), innerElRef, innerContent)
            }
          )
        }
      )
    }
    return RenderHook
  })(BaseComponent)
  // TODO: rename to be about function, not default. use in above type
  // for forcing rerender of components that use the ContentHook
  var CustomContentRenderContext = createContext$1(0)
  function ContentHook(props) {
    return createElement(CustomContentRenderContext.Consumer, null, function (renderId) {
      return createElement(ContentHookInner, __assign({ renderId: renderId }, props))
    })
  }
  var ContentHookInner = /** @class */ (function (_super) {
    __extends(ContentHookInner, _super)
    function ContentHookInner() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this
      _this.innerElRef = createRef()
      return _this
    }
    ContentHookInner.prototype.render = function () {
      return this.props.children(this.innerElRef, this.renderInnerContent())
    }
    ContentHookInner.prototype.componentDidMount = function () {
      this.updateCustomContent()
    }
    ContentHookInner.prototype.componentDidUpdate = function () {
      this.updateCustomContent()
    }
    ContentHookInner.prototype.componentWillUnmount = function () {
      if (this.customContentInfo && this.customContentInfo.destroy) {
        this.customContentInfo.destroy()
      }
    }
    ContentHookInner.prototype.renderInnerContent = function () {
      var contentTypeHandlers = this.context.pluginHooks.contentTypeHandlers
      var _a = this,
        props = _a.props,
        customContentInfo = _a.customContentInfo
      var rawVal = props.content
      var innerContent = normalizeContent(rawVal, props.hookProps)
      var innerContentVDom = null
      if (innerContent === undefined) {
        // use the default
        innerContent = normalizeContent(props.defaultContent, props.hookProps)
      }
      if (innerContent !== undefined) {
        // we allow custom content handlers to return nothing
        if (customContentInfo) {
          customContentInfo.contentVal = innerContent[customContentInfo.contentKey]
        } else if (typeof innerContent === 'object') {
          // look for a prop that would indicate a custom content handler is needed
          for (var contentKey in contentTypeHandlers) {
            if (innerContent[contentKey] !== undefined) {
              var stuff = contentTypeHandlers[contentKey]()
              customContentInfo = this.customContentInfo = __assign(
                {
                  contentKey: contentKey,
                  contentVal: innerContent[contentKey],
                },
                stuff
              )
              break
            }
          }
        }
        if (customContentInfo) {
          innerContentVDom = [] // signal that something was specified
        } else {
          innerContentVDom = innerContent // assume a [p]react vdom node. use it
        }
      }
      return innerContentVDom
    }
    ContentHookInner.prototype.updateCustomContent = function () {
      if (this.customContentInfo) {
        this.customContentInfo.render(
          this.innerElRef.current || this.props.backupElRef.current, // the element to render into
          this.customContentInfo.contentVal
        )
      }
    }
    return ContentHookInner
  })(BaseComponent)
  var MountHook = /** @class */ (function (_super) {
    __extends(MountHook, _super)
    function MountHook() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this
      _this.handleRootEl = function (rootEl) {
        _this.rootEl = rootEl
        if (_this.props.elRef) {
          setRef(_this.props.elRef, rootEl)
        }
      }
      return _this
    }
    MountHook.prototype.render = function () {
      return this.props.children(this.handleRootEl)
    }
    MountHook.prototype.componentDidMount = function () {
      var callback = this.props.didMount
      if (callback) {
        callback(__assign(__assign({}, this.props.hookProps), { el: this.rootEl }))
      }
    }
    MountHook.prototype.componentWillUnmount = function () {
      var callback = this.props.willUnmount
      if (callback) {
        callback(__assign(__assign({}, this.props.hookProps), { el: this.rootEl }))
      }
    }
    return MountHook
  })(BaseComponent)
  function buildClassNameNormalizer() {
    var currentGenerator
    var currentHookProps
    var currentClassNames = []
    return function (generator, hookProps) {
      if (!currentHookProps || !isPropsEqual(currentHookProps, hookProps) || generator !== currentGenerator) {
        currentGenerator = generator
        currentHookProps = hookProps
        currentClassNames = normalizeClassNames(generator, hookProps)
      }
      return currentClassNames
    }
  }
  function normalizeClassNames(classNames, hookProps) {
    if (typeof classNames === 'function') {
      classNames = classNames(hookProps)
    }
    return parseClassNames(classNames)
  }
  function normalizeContent(input, hookProps) {
    if (typeof input === 'function') {
      return input(hookProps, createElement) // give the function the vdom-creation func
    }
    return input
  }

  var ViewRoot = /** @class */ (function (_super) {
    __extends(ViewRoot, _super)
    function ViewRoot() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this
      _this.normalizeClassNames = buildClassNameNormalizer()
      return _this
    }
    ViewRoot.prototype.render = function () {
      var _a = this,
        props = _a.props,
        context = _a.context
      var options = context.options
      var hookProps = { view: context.viewApi }
      var customClassNames = this.normalizeClassNames(options.viewClassNames, hookProps)
      return createElement(
        MountHook,
        {
          hookProps: hookProps,
          didMount: options.viewDidMount,
          willUnmount: options.viewWillUnmount,
          elRef: props.elRef,
        },
        function (rootElRef) {
          return props.children(rootElRef, ['fc-' + props.viewSpec.type + '-view', 'fc-view'].concat(customClassNames))
        }
      )
    }
    return ViewRoot
  })(BaseComponent)

  function parseViewConfigs(inputs) {
    return mapHash(inputs, parseViewConfig)
  }
  function parseViewConfig(input) {
    var rawOptions = typeof input === 'function' ? { component: input } : input
    var component = rawOptions.component
    if (rawOptions.content) {
      component = createViewHookComponent(rawOptions)
      // TODO: remove content/classNames/didMount/etc from options?
    }
    return {
      superType: rawOptions.type,
      component: component,
      rawOptions: rawOptions,
    }
  }
  function createViewHookComponent(options) {
    return function (viewProps) {
      return createElement(ViewContextType.Consumer, null, function (context) {
        return createElement(ViewRoot, { viewSpec: context.viewSpec }, function (viewElRef, viewClassNames) {
          var hookProps = __assign(__assign({}, viewProps), {
            nextDayThreshold: context.options.nextDayThreshold,
          })
          return createElement(
            RenderHook,
            {
              hookProps: hookProps,
              classNames: options.classNames,
              content: options.content,
              didMount: options.didMount,
              willUnmount: options.willUnmount,
              elRef: viewElRef,
            },
            function (rootElRef, customClassNames, innerElRef, innerContent) {
              return createElement(
                'div',
                {
                  className: viewClassNames.concat(customClassNames).join(' '),
                  ref: rootElRef,
                },
                innerContent
              )
            }
          )
        })
      })
    }
  }

  function buildViewSpecs(defaultInputs, optionOverrides, dynamicOptionOverrides, localeDefaults) {
    var defaultConfigs = parseViewConfigs(defaultInputs)
    var overrideConfigs = parseViewConfigs(optionOverrides.views)
    var viewDefs = compileViewDefs(defaultConfigs, overrideConfigs)
    return mapHash(viewDefs, function (viewDef) {
      return buildViewSpec(viewDef, overrideConfigs, optionOverrides, dynamicOptionOverrides, localeDefaults)
    })
  }
  function buildViewSpec(viewDef, overrideConfigs, optionOverrides, dynamicOptionOverrides, localeDefaults) {
    var durationInput = viewDef.overrides.duration || viewDef.defaults.duration || dynamicOptionOverrides.duration || optionOverrides.duration
    var duration = null
    var durationUnit = ''
    var singleUnit = ''
    var singleUnitOverrides = {}
    if (durationInput) {
      duration = createDurationCached(durationInput)
      if (duration) {
        // valid?
        var denom = greatestDurationDenominator(duration)
        durationUnit = denom.unit
        if (denom.value === 1) {
          singleUnit = durationUnit
          singleUnitOverrides = overrideConfigs[durationUnit] ? overrideConfigs[durationUnit].rawOptions : {}
        }
      }
    }
    var queryButtonText = function (optionsSubset) {
      var buttonTextMap = optionsSubset.buttonText || {}
      var buttonTextKey = viewDef.defaults.buttonTextKey
      if (buttonTextKey != null && buttonTextMap[buttonTextKey] != null) {
        return buttonTextMap[buttonTextKey]
      }
      if (buttonTextMap[viewDef.type] != null) {
        return buttonTextMap[viewDef.type]
      }
      if (buttonTextMap[singleUnit] != null) {
        return buttonTextMap[singleUnit]
      }
      return null
    }
    return {
      type: viewDef.type,
      component: viewDef.component,
      duration: duration,
      durationUnit: durationUnit,
      singleUnit: singleUnit,
      optionDefaults: viewDef.defaults,
      optionOverrides: __assign(__assign({}, singleUnitOverrides), viewDef.overrides),
      buttonTextOverride:
        queryButtonText(dynamicOptionOverrides) ||
        queryButtonText(optionOverrides) || // constructor-specified buttonText lookup hash takes precedence
        viewDef.overrides.buttonText,
      buttonTextDefault: queryButtonText(localeDefaults) || viewDef.defaults.buttonText || queryButtonText(BASE_OPTION_DEFAULTS) || viewDef.type,
    }
  }
  // hack to get memoization working
  var durationInputMap = {}
  function createDurationCached(durationInput) {
    var json = JSON.stringify(durationInput)
    var res = durationInputMap[json]
    if (res === undefined) {
      res = createDuration(durationInput)
      durationInputMap[json] = res
    }
    return res
  }

  var DateProfileGenerator = /** @class */ (function () {
    function DateProfileGenerator(props) {
      this.props = props
      this.nowDate = getNow(props.nowInput, props.dateEnv)
      this.initHiddenDays()
    }
    /* Date Range Computation
        ------------------------------------------------------------------------------------------------------------------*/
    // Builds a structure with info about what the dates/ranges will be for the "prev" view.
    DateProfileGenerator.prototype.buildPrev = function (currentDateProfile, currentDate, forceToValid) {
      var dateEnv = this.props.dateEnv
      var prevDate = dateEnv.subtract(
        dateEnv.startOf(currentDate, currentDateProfile.currentRangeUnit), // important for start-of-month
        currentDateProfile.dateIncrement
      )
      return this.build(prevDate, -1, forceToValid)
    }
    // Builds a structure with info about what the dates/ranges will be for the "next" view.
    DateProfileGenerator.prototype.buildNext = function (currentDateProfile, currentDate, forceToValid) {
      var dateEnv = this.props.dateEnv
      var nextDate = dateEnv.add(
        dateEnv.startOf(currentDate, currentDateProfile.currentRangeUnit), // important for start-of-month
        currentDateProfile.dateIncrement
      )
      return this.build(nextDate, 1, forceToValid)
    }
    // Builds a structure holding dates/ranges for rendering around the given date.
    // Optional direction param indicates whether the date is being incremented/decremented
    // from its previous value. decremented = -1, incremented = 1 (default).
    DateProfileGenerator.prototype.build = function (currentDate, direction, forceToValid) {
      if (forceToValid === void 0) {
        forceToValid = true
      }
      var props = this.props
      var validRange
      var currentInfo
      var isRangeAllDay
      var renderRange
      var activeRange
      var isValid
      validRange = this.buildValidRange()
      validRange = this.trimHiddenDays(validRange)
      if (forceToValid) {
        currentDate = constrainMarkerToRange(currentDate, validRange)
      }
      currentInfo = this.buildCurrentRangeInfo(currentDate, direction)
      isRangeAllDay = /^(year|month|week|day)$/.test(currentInfo.unit)
      renderRange = this.buildRenderRange(this.trimHiddenDays(currentInfo.range), currentInfo.unit, isRangeAllDay)
      renderRange = this.trimHiddenDays(renderRange)
      activeRange = renderRange
      if (!props.showNonCurrentDates) {
        activeRange = intersectRanges(activeRange, currentInfo.range)
      }
      activeRange = this.adjustActiveRange(activeRange)
      activeRange = intersectRanges(activeRange, validRange) // might return null
      // it's invalid if the originally requested date is not contained,
      // or if the range is completely outside of the valid range.
      isValid = rangesIntersect(currentInfo.range, validRange)
      return {
        // constraint for where prev/next operations can go and where events can be dragged/resized to.
        // an object with optional start and end properties.
        validRange: validRange,
        // range the view is formally responsible for.
        // for example, a month view might have 1st-31st, excluding padded dates
        currentRange: currentInfo.range,
        // name of largest unit being displayed, like "month" or "week"
        currentRangeUnit: currentInfo.unit,
        isRangeAllDay: isRangeAllDay,
        // dates that display events and accept drag-n-drop
        // will be `null` if no dates accept events
        activeRange: activeRange,
        // date range with a rendered skeleton
        // includes not-active days that need some sort of DOM
        renderRange: renderRange,
        // Duration object that denotes the first visible time of any given day
        slotMinTime: props.slotMinTime,
        // Duration object that denotes the exclusive visible end time of any given day
        slotMaxTime: props.slotMaxTime,
        isValid: isValid,
        // how far the current date will move for a prev/next operation
        dateIncrement: this.buildDateIncrement(currentInfo.duration),
      }
    }
    // Builds an object with optional start/end properties.
    // Indicates the minimum/maximum dates to display.
    // not responsible for trimming hidden days.
    DateProfileGenerator.prototype.buildValidRange = function () {
      var input = this.props.validRangeInput
      var simpleInput = typeof input === 'function' ? input.call(this.props.calendarApi, this.nowDate) : input
      return this.refineRange(simpleInput) || { start: null, end: null } // completely open-ended
    }
    // Builds a structure with info about the "current" range, the range that is
    // highlighted as being the current month for example.
    // See build() for a description of `direction`.
    // Guaranteed to have `range` and `unit` properties. `duration` is optional.
    DateProfileGenerator.prototype.buildCurrentRangeInfo = function (date, direction) {
      var props = this.props
      var duration = null
      var unit = null
      var range = null
      var dayCount
      if (props.duration) {
        duration = props.duration
        unit = props.durationUnit
        range = this.buildRangeFromDuration(date, direction, duration, unit)
      } else if ((dayCount = this.props.dayCount)) {
        unit = 'day'
        range = this.buildRangeFromDayCount(date, direction, dayCount)
      } else if ((range = this.buildCustomVisibleRange(date))) {
        unit = props.dateEnv.greatestWholeUnit(range.start, range.end).unit
      } else {
        duration = this.getFallbackDuration()
        unit = greatestDurationDenominator(duration).unit
        range = this.buildRangeFromDuration(date, direction, duration, unit)
      }
      return { duration: duration, unit: unit, range: range }
    }
    DateProfileGenerator.prototype.getFallbackDuration = function () {
      return createDuration({ day: 1 })
    }
    // Returns a new activeRange to have time values (un-ambiguate)
    // slotMinTime or slotMaxTime causes the range to expand.
    DateProfileGenerator.prototype.adjustActiveRange = function (range) {
      var _a = this.props,
        dateEnv = _a.dateEnv,
        usesMinMaxTime = _a.usesMinMaxTime,
        slotMinTime = _a.slotMinTime,
        slotMaxTime = _a.slotMaxTime
      var start = range.start,
        end = range.end
      if (usesMinMaxTime) {
        // expand active range if slotMinTime is negative (why not when positive?)
        if (asRoughDays(slotMinTime) < 0) {
          start = startOfDay(start) // necessary?
          start = dateEnv.add(start, slotMinTime)
        }
        // expand active range if slotMaxTime is beyond one day (why not when negative?)
        if (asRoughDays(slotMaxTime) > 1) {
          end = startOfDay(end) // necessary?
          end = addDays(end, -1)
          end = dateEnv.add(end, slotMaxTime)
        }
      }
      return { start: start, end: end }
    }
    // Builds the "current" range when it is specified as an explicit duration.
    // `unit` is the already-computed greatestDurationDenominator unit of duration.
    DateProfileGenerator.prototype.buildRangeFromDuration = function (date, direction, duration, unit) {
      var _a = this.props,
        dateEnv = _a.dateEnv,
        dateAlignment = _a.dateAlignment
      var start
      var end
      var res
      // compute what the alignment should be
      if (!dateAlignment) {
        var dateIncrement = this.props.dateIncrement
        if (dateIncrement) {
          // use the smaller of the two units
          if (asRoughMs(dateIncrement) < asRoughMs(duration)) {
            dateAlignment = greatestDurationDenominator(dateIncrement).unit
          } else {
            dateAlignment = unit
          }
        } else {
          dateAlignment = unit
        }
      }
      // if the view displays a single day or smaller
      if (asRoughDays(duration) <= 1) {
        if (this.isHiddenDay(start)) {
          start = this.skipHiddenDays(start, direction)
          start = startOfDay(start)
        }
      }
      function computeRes() {
        start = dateEnv.startOf(date, dateAlignment)
        end = dateEnv.add(start, duration)
        res = { start: start, end: end }
      }
      computeRes()
      // if range is completely enveloped by hidden days, go past the hidden days
      if (!this.trimHiddenDays(res)) {
        date = this.skipHiddenDays(date, direction)
        computeRes()
      }
      return res
    }
    // Builds the "current" range when a dayCount is specified.
    DateProfileGenerator.prototype.buildRangeFromDayCount = function (date, direction, dayCount) {
      var _a = this.props,
        dateEnv = _a.dateEnv,
        dateAlignment = _a.dateAlignment
      var runningCount = 0
      var start = date
      var end
      if (dateAlignment) {
        start = dateEnv.startOf(start, dateAlignment)
      }
      start = startOfDay(start)
      start = this.skipHiddenDays(start, direction)
      end = start
      do {
        end = addDays(end, 1)
        if (!this.isHiddenDay(end)) {
          runningCount += 1
        }
      } while (runningCount < dayCount)
      return { start: start, end: end }
    }
    // Builds a normalized range object for the "visible" range,
    // which is a way to define the currentRange and activeRange at the same time.
    DateProfileGenerator.prototype.buildCustomVisibleRange = function (date) {
      var props = this.props
      var input = props.visibleRangeInput
      var simpleInput = typeof input === 'function' ? input.call(props.calendarApi, props.dateEnv.toDate(date)) : input
      var range = this.refineRange(simpleInput)
      if (range && (range.start == null || range.end == null)) {
        return null
      }
      return range
    }
    // Computes the range that will represent the element/cells for *rendering*,
    // but which may have voided days/times.
    // not responsible for trimming hidden days.
    DateProfileGenerator.prototype.buildRenderRange = function (currentRange, currentRangeUnit, isRangeAllDay) {
      return currentRange
    }
    // Compute the duration value that should be added/substracted to the current date
    // when a prev/next operation happens.
    DateProfileGenerator.prototype.buildDateIncrement = function (fallback) {
      var dateIncrement = this.props.dateIncrement
      var customAlignment
      if (dateIncrement) {
        return dateIncrement
      }
      if ((customAlignment = this.props.dateAlignment)) {
        return createDuration(1, customAlignment)
      }
      if (fallback) {
        return fallback
      }
      return createDuration({ days: 1 })
    }
    DateProfileGenerator.prototype.refineRange = function (rangeInput) {
      if (rangeInput) {
        var range = parseRange(rangeInput, this.props.dateEnv)
        if (range) {
          range = computeVisibleDayRange(range)
        }
        return range
      }
      return null
    }
    /* Hidden Days
        ------------------------------------------------------------------------------------------------------------------*/
    // Initializes internal variables related to calculating hidden days-of-week
    DateProfileGenerator.prototype.initHiddenDays = function () {
      var hiddenDays = this.props.hiddenDays || [] // array of day-of-week indices that are hidden
      var isHiddenDayHash = [] // is the day-of-week hidden? (hash with day-of-week-index -> bool)
      var dayCnt = 0
      var i
      if (this.props.weekends === false) {
        hiddenDays.push(0, 6) // 0=sunday, 6=saturday
      }
      for (i = 0; i < 7; i += 1) {
        if (!(isHiddenDayHash[i] = hiddenDays.indexOf(i) !== -1)) {
          dayCnt += 1
        }
      }
      if (!dayCnt) {
        throw new Error('invalid hiddenDays') // all days were hidden? bad.
      }
      this.isHiddenDayHash = isHiddenDayHash
    }
    // Remove days from the beginning and end of the range that are computed as hidden.
    // If the whole range is trimmed off, returns null
    DateProfileGenerator.prototype.trimHiddenDays = function (range) {
      var start = range.start,
        end = range.end
      if (start) {
        start = this.skipHiddenDays(start)
      }
      if (end) {
        end = this.skipHiddenDays(end, -1, true)
      }
      if (start == null || end == null || start < end) {
        return { start: start, end: end }
      }
      return null
    }
    // Is the current day hidden?
    // `day` is a day-of-week index (0-6), or a Date (used for UTC)
    DateProfileGenerator.prototype.isHiddenDay = function (day) {
      if (day instanceof Date) {
        day = day.getUTCDay()
      }
      return this.isHiddenDayHash[day]
    }
    // Incrementing the current day until it is no longer a hidden day, returning a copy.
    // DOES NOT CONSIDER validRange!
    // If the initial value of `date` is not a hidden day, don't do anything.
    // Pass `isExclusive` as `true` if you are dealing with an end date.
    // `inc` defaults to `1` (increment one day forward each time)
    DateProfileGenerator.prototype.skipHiddenDays = function (date, inc, isExclusive) {
      if (inc === void 0) {
        inc = 1
      }
      if (isExclusive === void 0) {
        isExclusive = false
      }
      while (this.isHiddenDayHash[(date.getUTCDay() + (isExclusive ? inc : 0) + 7) % 7]) {
        date = addDays(date, inc)
      }
      return date
    }
    return DateProfileGenerator
  })()

  function reduceViewType(viewType, action) {
    switch (action.type) {
      case 'CHANGE_VIEW_TYPE':
        viewType = action.viewType
    }
    return viewType
  }

  function reduceDynamicOptionOverrides(dynamicOptionOverrides, action) {
    var _a
    switch (action.type) {
      case 'SET_OPTION':
        return __assign(__assign({}, dynamicOptionOverrides), ((_a = {}), (_a[action.optionName] = action.rawOptionValue), _a))
      default:
        return dynamicOptionOverrides
    }
  }

  function reduceDateProfile(currentDateProfile, action, currentDate, dateProfileGenerator) {
    var dp
    switch (action.type) {
      case 'CHANGE_VIEW_TYPE':
        return dateProfileGenerator.build(action.dateMarker || currentDate)
      case 'CHANGE_DATE':
        if (
          !currentDateProfile.activeRange ||
          !rangeContainsMarker(currentDateProfile.currentRange, action.dateMarker) // don't move if date already in view
        ) {
          return dateProfileGenerator.build(action.dateMarker)
        }
        break
      case 'PREV':
        dp = dateProfileGenerator.buildPrev(currentDateProfile, currentDate)
        if (dp.isValid) {
          return dp
        }
        break
      case 'NEXT':
        dp = dateProfileGenerator.buildNext(currentDateProfile, currentDate)
        if (dp.isValid) {
          return dp
        }
        break
    }
    return currentDateProfile
  }

  function initEventSources(calendarOptions, dateProfile, context) {
    var activeRange = dateProfile ? dateProfile.activeRange : null
    return addSources({}, parseInitialSources(calendarOptions, context), activeRange, context)
  }
  function reduceEventSources(eventSources, action, dateProfile, context) {
    var activeRange = dateProfile ? dateProfile.activeRange : null // need this check?
    switch (action.type) {
      case 'ADD_EVENT_SOURCES': // already parsed
        return addSources(eventSources, action.sources, activeRange, context)
      case 'REMOVE_EVENT_SOURCE':
        return removeSource(eventSources, action.sourceId)
      case 'PREV': // TODO: how do we track all actions that affect dateProfile :(
      case 'NEXT':
      case 'CHANGE_DATE':
      case 'CHANGE_VIEW_TYPE':
        if (dateProfile) {
          return fetchDirtySources(eventSources, activeRange, context)
        }
        return eventSources
      case 'FETCH_EVENT_SOURCES':
        return fetchSourcesByIds(
          eventSources,
          action.sourceIds // why no type?
            ? arrayToHash(action.sourceIds)
            : excludeStaticSources(eventSources, context),
          activeRange,
          context
        )
      case 'RECEIVE_EVENTS':
      case 'RECEIVE_EVENT_ERROR':
        return receiveResponse(eventSources, action.sourceId, action.fetchId, action.fetchRange)
      case 'REMOVE_ALL_EVENT_SOURCES':
        return {}
      default:
        return eventSources
    }
  }
  function reduceEventSourcesNewTimeZone(eventSources, dateProfile, context) {
    var activeRange = dateProfile ? dateProfile.activeRange : null // need this check?
    return fetchSourcesByIds(eventSources, excludeStaticSources(eventSources, context), activeRange, context)
  }
  function computeEventSourcesLoading(eventSources) {
    for (var sourceId in eventSources) {
      if (eventSources[sourceId].isFetching) {
        return true
      }
    }
    return false
  }
  function addSources(eventSourceHash, sources, fetchRange, context) {
    var hash = {}
    for (var _i = 0, sources_1 = sources; _i < sources_1.length; _i++) {
      var source = sources_1[_i]
      hash[source.sourceId] = source
    }
    if (fetchRange) {
      hash = fetchDirtySources(hash, fetchRange, context)
    }
    return __assign(__assign({}, eventSourceHash), hash)
  }
  function removeSource(eventSourceHash, sourceId) {
    return filterHash(eventSourceHash, function (eventSource) {
      return eventSource.sourceId !== sourceId
    })
  }
  function fetchDirtySources(sourceHash, fetchRange, context) {
    return fetchSourcesByIds(
      sourceHash,
      filterHash(sourceHash, function (eventSource) {
        return isSourceDirty(eventSource, fetchRange, context)
      }),
      fetchRange,
      context
    )
  }
  function isSourceDirty(eventSource, fetchRange, context) {
    if (!doesSourceNeedRange(eventSource, context)) {
      return !eventSource.latestFetchId
    }
    return (
      !context.options.lazyFetching ||
      !eventSource.fetchRange ||
      eventSource.isFetching || // always cancel outdated in-progress fetches
      fetchRange.start < eventSource.fetchRange.start ||
      fetchRange.end > eventSource.fetchRange.end
    )
  }
  function fetchSourcesByIds(prevSources, sourceIdHash, fetchRange, context) {
    var nextSources = {}
    for (var sourceId in prevSources) {
      var source = prevSources[sourceId]
      if (sourceIdHash[sourceId]) {
        nextSources[sourceId] = fetchSource(source, fetchRange, context)
      } else {
        nextSources[sourceId] = source
      }
    }
    return nextSources
  }
  function fetchSource(eventSource, fetchRange, context) {
    var options = context.options,
      calendarApi = context.calendarApi
    var sourceDef = context.pluginHooks.eventSourceDefs[eventSource.sourceDefId]
    var fetchId = guid()
    sourceDef.fetch(
      {
        eventSource: eventSource,
        range: fetchRange,
        context: context,
      },
      function (res) {
        var rawEvents = res.rawEvents
        if (options.eventSourceSuccess) {
          rawEvents = options.eventSourceSuccess.call(calendarApi, rawEvents, res.xhr) || rawEvents
        }
        if (eventSource.success) {
          rawEvents = eventSource.success.call(calendarApi, rawEvents, res.xhr) || rawEvents
        }
        context.dispatch({
          type: 'RECEIVE_EVENTS',
          sourceId: eventSource.sourceId,
          fetchId: fetchId,
          fetchRange: fetchRange,
          rawEvents: rawEvents,
        })
      },
      function (error) {
        console.warn(error.message, error)
        if (options.eventSourceFailure) {
          options.eventSourceFailure.call(calendarApi, error)
        }
        if (eventSource.failure) {
          eventSource.failure(error)
        }
        context.dispatch({
          type: 'RECEIVE_EVENT_ERROR',
          sourceId: eventSource.sourceId,
          fetchId: fetchId,
          fetchRange: fetchRange,
          error: error,
        })
      }
    )
    return __assign(__assign({}, eventSource), {
      isFetching: true,
      latestFetchId: fetchId,
    })
  }
  function receiveResponse(sourceHash, sourceId, fetchId, fetchRange) {
    var _a
    var eventSource = sourceHash[sourceId]
    if (
      eventSource && // not already removed
      fetchId === eventSource.latestFetchId
    ) {
      return __assign(
        __assign({}, sourceHash),
        ((_a = {}),
        (_a[sourceId] = __assign(__assign({}, eventSource), {
          isFetching: false,
          fetchRange: fetchRange,
        })),
        _a)
      )
    }
    return sourceHash
  }
  function excludeStaticSources(eventSources, context) {
    return filterHash(eventSources, function (eventSource) {
      return doesSourceNeedRange(eventSource, context)
    })
  }
  function parseInitialSources(rawOptions, context) {
    var refiners = buildEventSourceRefiners(context)
    var rawSources = [].concat(rawOptions.eventSources || [])
    var sources = [] // parsed
    if (rawOptions.initialEvents) {
      rawSources.unshift(rawOptions.initialEvents)
    }
    if (rawOptions.events) {
      rawSources.unshift(rawOptions.events)
    }
    for (var _i = 0, rawSources_1 = rawSources; _i < rawSources_1.length; _i++) {
      var rawSource = rawSources_1[_i]
      var source = parseEventSource(rawSource, context, refiners)
      if (source) {
        sources.push(source)
      }
    }
    return sources
  }
  function doesSourceNeedRange(eventSource, context) {
    var defs = context.pluginHooks.eventSourceDefs
    return !defs[eventSource.sourceDefId].ignoreRange
  }

  function reduceDateSelection(currentSelection, action) {
    switch (action.type) {
      case 'UNSELECT_DATES':
        return null
      case 'SELECT_DATES':
        return action.selection
      default:
        return currentSelection
    }
  }

  function reduceSelectedEvent(currentInstanceId, action) {
    switch (action.type) {
      case 'UNSELECT_EVENT':
        return ''
      case 'SELECT_EVENT':
        return action.eventInstanceId
      default:
        return currentInstanceId
    }
  }

  function reduceEventDrag(currentDrag, action) {
    var newDrag
    switch (action.type) {
      case 'UNSET_EVENT_DRAG':
        return null
      case 'SET_EVENT_DRAG':
        newDrag = action.state
        return {
          affectedEvents: newDrag.affectedEvents,
          mutatedEvents: newDrag.mutatedEvents,
          isEvent: newDrag.isEvent,
        }
      default:
        return currentDrag
    }
  }

  function reduceEventResize(currentResize, action) {
    var newResize
    switch (action.type) {
      case 'UNSET_EVENT_RESIZE':
        return null
      case 'SET_EVENT_RESIZE':
        newResize = action.state
        return {
          affectedEvents: newResize.affectedEvents,
          mutatedEvents: newResize.mutatedEvents,
          isEvent: newResize.isEvent,
        }
      default:
        return currentResize
    }
  }

  function parseToolbars(calendarOptions, calendarOptionOverrides, theme, viewSpecs, calendarApi) {
    var viewsWithButtons = []
    var headerToolbar = calendarOptions.headerToolbar ? parseToolbar(calendarOptions.headerToolbar, calendarOptions, calendarOptionOverrides, theme, viewSpecs, calendarApi, viewsWithButtons) : null
    var footerToolbar = calendarOptions.footerToolbar ? parseToolbar(calendarOptions.footerToolbar, calendarOptions, calendarOptionOverrides, theme, viewSpecs, calendarApi, viewsWithButtons) : null
    return {
      headerToolbar: headerToolbar,
      footerToolbar: footerToolbar,
      viewsWithButtons: viewsWithButtons,
    }
  }
  function parseToolbar(sectionStrHash, calendarOptions, calendarOptionOverrides, theme, viewSpecs, calendarApi, viewsWithButtons) {
    return mapHash(sectionStrHash, function (sectionStr) {
      return parseSection(sectionStr, calendarOptions, calendarOptionOverrides, theme, viewSpecs, calendarApi, viewsWithButtons)
    })
  }
  /*
    BAD: querying icons and text here. should be done at render time
    */
  function parseSection(sectionStr, calendarOptions, calendarOptionOverrides, theme, viewSpecs, calendarApi, viewsWithButtons) {
    var isRtl = calendarOptions.direction === 'rtl'
    var calendarCustomButtons = calendarOptions.customButtons || {}
    var calendarButtonTextOverrides = calendarOptionOverrides.buttonText || {}
    var calendarButtonText = calendarOptions.buttonText || {}
    var sectionSubstrs = sectionStr ? sectionStr.split(' ') : []
    return sectionSubstrs.map(function (buttonGroupStr) {
      return buttonGroupStr.split(',').map(function (buttonName) {
        if (buttonName === 'title') {
          return { buttonName: buttonName }
        }
        var customButtonProps
        var viewSpec
        var buttonClick
        var buttonIcon // only one of these will be set
        var buttonText // "
        if ((customButtonProps = calendarCustomButtons[buttonName])) {
          buttonClick = function (ev) {
            if (customButtonProps.click) {
              customButtonProps.click.call(ev.target, ev, ev.target)
            }
          }
          ;(buttonIcon = theme.getCustomButtonIconClass(customButtonProps)) || (buttonIcon = theme.getIconClass(buttonName, isRtl)) || (buttonText = customButtonProps.text)
        } else if ((viewSpec = viewSpecs[buttonName])) {
          viewsWithButtons.push(buttonName)
          buttonClick = function () {
            calendarApi.changeView(buttonName)
          }
          ;(buttonText = viewSpec.buttonTextOverride) || (buttonIcon = theme.getIconClass(buttonName, isRtl)) || (buttonText = viewSpec.buttonTextDefault)
        } else if (calendarApi[buttonName]) {
          // a calendarApi method
          buttonClick = function () {
            calendarApi[buttonName]()
          }
          ;(buttonText = calendarButtonTextOverrides[buttonName]) || (buttonIcon = theme.getIconClass(buttonName, isRtl)) || (buttonText = calendarButtonText[buttonName])
          //            ^ everything else is considered default
        }
        return {
          buttonName: buttonName,
          buttonClick: buttonClick,
          buttonIcon: buttonIcon,
          buttonText: buttonText,
        }
      })
    })
  }

  var eventSourceDef = {
    ignoreRange: true,
    parseMeta: function (refined) {
      if (Array.isArray(refined.events)) {
        return refined.events
      }
      return null
    },
    fetch: function (arg, success) {
      success({
        rawEvents: arg.eventSource.meta,
      })
    },
  }
  var arrayEventSourcePlugin = createPlugin({
    eventSourceDefs: [eventSourceDef],
  })

  var eventSourceDef$1 = {
    parseMeta: function (refined) {
      if (typeof refined.events === 'function') {
        return refined.events
      }
      return null
    },
    fetch: function (arg, success, failure) {
      var dateEnv = arg.context.dateEnv
      var func = arg.eventSource.meta
      unpromisify(
        func.bind(null, buildRangeApiWithTimeZone(arg.range, dateEnv)),
        function (rawEvents) {
          success({ rawEvents: rawEvents }) // needs an object response
        },
        failure
      )
    },
  }
  var funcEventSourcePlugin = createPlugin({
    eventSourceDefs: [eventSourceDef$1],
  })

  function requestJson(method, url, params, successCallback, failureCallback) {
    method = method.toUpperCase()
    var body = null
    if (method === 'GET') {
      url = injectQueryStringParams(url, params)
    } else {
      body = encodeParams(params)
    }
    var xhr = new XMLHttpRequest()
    xhr.open(method, url, true)
    if (method !== 'GET') {
      xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded')
    }
    xhr.onload = function () {
      if (xhr.status >= 200 && xhr.status < 400) {
        var parsed = false
        var res = void 0
        try {
          res = JSON.parse(xhr.responseText)
          parsed = true
        } catch (err) {
          // will handle parsed=false
        }
        if (parsed) {
          successCallback(res, xhr)
        } else {
          failureCallback('Failure parsing JSON', xhr)
        }
      } else {
        failureCallback('Request failed', xhr)
      }
    }
    xhr.onerror = function () {
      failureCallback('Request failed', xhr)
    }
    xhr.send(body)
  }
  function injectQueryStringParams(url, params) {
    return url + (url.indexOf('?') === -1 ? '?' : '&') + encodeParams(params)
  }
  function encodeParams(params) {
    var parts = []
    for (var key in params) {
      parts.push(encodeURIComponent(key) + '=' + encodeURIComponent(params[key]))
    }
    return parts.join('&')
  }

  var JSON_FEED_EVENT_SOURCE_REFINERS = {
    method: String,
    extraParams: identity,
    startParam: String,
    endParam: String,
    timeZoneParam: String,
  }

  var eventSourceDef$2 = {
    parseMeta: function (refined) {
      if (refined.url && (refined.format === 'json' || !refined.format)) {
        return {
          url: refined.url,
          format: 'json',
          method: (refined.method || 'GET').toUpperCase(),
          extraParams: refined.extraParams,
          startParam: refined.startParam,
          endParam: refined.endParam,
          timeZoneParam: refined.timeZoneParam,
        }
      }
      return null
    },
    fetch: function (arg, success, failure) {
      var meta = arg.eventSource.meta
      var requestParams = buildRequestParams(meta, arg.range, arg.context)
      requestJson(
        meta.method,
        meta.url,
        requestParams,
        function (rawEvents, xhr) {
          success({ rawEvents: rawEvents, xhr: xhr })
        },
        function (errorMessage, xhr) {
          failure({ message: errorMessage, xhr: xhr })
        }
      )
    },
  }
  var jsonFeedEventSourcePlugin = createPlugin({
    eventSourceRefiners: JSON_FEED_EVENT_SOURCE_REFINERS,
    eventSourceDefs: [eventSourceDef$2],
  })
  function buildRequestParams(meta, range, context) {
    var dateEnv = context.dateEnv,
      options = context.options
    var startParam
    var endParam
    var timeZoneParam
    var customRequestParams
    var params = {}
    startParam = meta.startParam
    if (startParam == null) {
      startParam = options.startParam
    }
    endParam = meta.endParam
    if (endParam == null) {
      endParam = options.endParam
    }
    timeZoneParam = meta.timeZoneParam
    if (timeZoneParam == null) {
      timeZoneParam = options.timeZoneParam
    }
    // retrieve any outbound GET/POST data from the options
    if (typeof meta.extraParams === 'function') {
      // supplied as a function that returns a key/value object
      customRequestParams = meta.extraParams()
    } else {
      // probably supplied as a straight key/value object
      customRequestParams = meta.extraParams || {}
    }
    __assign(params, customRequestParams)
    params[startParam] = dateEnv.formatIso(range.start)
    params[endParam] = dateEnv.formatIso(range.end)
    if (dateEnv.timeZone !== 'local') {
      params[timeZoneParam] = dateEnv.timeZone
    }
    return params
  }

  var SIMPLE_RECURRING_REFINERS = {
    daysOfWeek: identity,
    startTime: createDuration,
    endTime: createDuration,
    duration: createDuration,
    startRecur: identity,
    endRecur: identity,
  }

  var recurring = {
    parse: function (refined, dateEnv) {
      if (refined.daysOfWeek || refined.startTime || refined.endTime || refined.startRecur || refined.endRecur) {
        var recurringData = {
          daysOfWeek: refined.daysOfWeek || null,
          startTime: refined.startTime || null,
          endTime: refined.endTime || null,
          startRecur: refined.startRecur ? dateEnv.createMarker(refined.startRecur) : null,
          endRecur: refined.endRecur ? dateEnv.createMarker(refined.endRecur) : null,
        }
        var duration = void 0
        if (refined.duration) {
          duration = refined.duration
        }
        if (!duration && refined.startTime && refined.endTime) {
          duration = subtractDurations(refined.endTime, refined.startTime)
        }
        return {
          allDayGuess: Boolean(!refined.startTime && !refined.endTime),
          duration: duration,
          typeData: recurringData,
        }
      }
      return null
    },
    expand: function (typeData, framingRange, dateEnv) {
      var clippedFramingRange = intersectRanges(framingRange, {
        start: typeData.startRecur,
        end: typeData.endRecur,
      })
      if (clippedFramingRange) {
        return expandRanges(typeData.daysOfWeek, typeData.startTime, clippedFramingRange, dateEnv)
      }
      return []
    },
  }
  var simpleRecurringEventsPlugin = createPlugin({
    recurringTypes: [recurring],
    eventRefiners: SIMPLE_RECURRING_REFINERS,
  })
  function expandRanges(daysOfWeek, startTime, framingRange, dateEnv) {
    var dowHash = daysOfWeek ? arrayToHash(daysOfWeek) : null
    var dayMarker = startOfDay(framingRange.start)
    var endMarker = framingRange.end
    var instanceStarts = []
    while (dayMarker < endMarker) {
      var instanceStart =
        // if everyday, or this particular day-of-week
        void 0
      // if everyday, or this particular day-of-week
      if (!dowHash || dowHash[dayMarker.getUTCDay()]) {
        if (startTime) {
          instanceStart = dateEnv.add(dayMarker, startTime)
        } else {
          instanceStart = dayMarker
        }
        instanceStarts.push(instanceStart)
      }
      dayMarker = addDays(dayMarker, 1)
    }
    return instanceStarts
  }

  var changeHandlerPlugin = createPlugin({
    optionChangeHandlers: {
      events: function (events, context) {
        handleEventSources([events], context)
      },
      eventSources: handleEventSources,
    },
  })
  /*
    BUG: if `event` was supplied, all previously-given `eventSources` will be wiped out
    */
  function handleEventSources(inputs, context) {
    var unfoundSources = hashValuesToArray(context.getCurrentData().eventSources)
    var newInputs = []
    for (var _i = 0, inputs_1 = inputs; _i < inputs_1.length; _i++) {
      var input = inputs_1[_i]
      var inputFound = false
      for (var i = 0; i < unfoundSources.length; i += 1) {
        if (unfoundSources[i]._raw === input) {
          unfoundSources.splice(i, 1) // delete
          inputFound = true
          break
        }
      }
      if (!inputFound) {
        newInputs.push(input)
      }
    }
    for (var _a = 0, unfoundSources_1 = unfoundSources; _a < unfoundSources_1.length; _a++) {
      var unfoundSource = unfoundSources_1[_a]
      context.dispatch({
        type: 'REMOVE_EVENT_SOURCE',
        sourceId: unfoundSource.sourceId,
      })
    }
    for (var _b = 0, newInputs_1 = newInputs; _b < newInputs_1.length; _b++) {
      var newInput = newInputs_1[_b]
      context.calendarApi.addEventSource(newInput)
    }
  }

  function handleDateProfile(dateProfile, context) {
    context.emitter.trigger('datesSet', __assign(__assign({}, buildRangeApiWithTimeZone(dateProfile.activeRange, context.dateEnv)), { view: context.viewApi }))
  }

  function handleEventStore(eventStore, context) {
    var emitter = context.emitter
    if (emitter.hasHandlers('eventsSet')) {
      emitter.trigger('eventsSet', buildEventApis(eventStore, context))
    }
  }

  /*
    this array is exposed on the root namespace so that UMD plugins can add to it.
    see the rollup-bundles script.
    */
  var globalPlugins = [
    arrayEventSourcePlugin,
    funcEventSourcePlugin,
    jsonFeedEventSourcePlugin,
    simpleRecurringEventsPlugin,
    changeHandlerPlugin,
    createPlugin({
      isLoadingFuncs: [
        function (state) {
          return computeEventSourcesLoading(state.eventSources)
        },
      ],
      contentTypeHandlers: {
        html: function () {
          return { render: injectHtml }
        },
        domNodes: function () {
          return { render: injectDomNodes }
        },
      },
      propSetHandlers: {
        dateProfile: handleDateProfile,
        eventStore: handleEventStore,
      },
    }),
  ]
  function injectHtml(el, html) {
    el.innerHTML = html
  }
  function injectDomNodes(el, domNodes) {
    var oldNodes = Array.prototype.slice.call(el.childNodes) // TODO: use array util
    var newNodes = Array.prototype.slice.call(domNodes) // TODO: use array util
    if (!isArraysEqual(oldNodes, newNodes)) {
      for (var _i = 0, newNodes_1 = newNodes; _i < newNodes_1.length; _i++) {
        var newNode = newNodes_1[_i]
        el.appendChild(newNode)
      }
      oldNodes.forEach(removeElement)
    }
  }

  var DelayedRunner = /** @class */ (function () {
    function DelayedRunner(drainedOption) {
      this.drainedOption = drainedOption
      this.isRunning = false
      this.isDirty = false
      this.pauseDepths = {}
      this.timeoutId = 0
    }
    DelayedRunner.prototype.request = function (delay) {
      this.isDirty = true
      if (!this.isPaused()) {
        this.clearTimeout()
        if (delay == null) {
          this.tryDrain()
        } else {
          this.timeoutId = setTimeout(
            // NOT OPTIMAL! TODO: look at debounce
            this.tryDrain.bind(this),
            delay
          )
        }
      }
    }
    DelayedRunner.prototype.pause = function (scope) {
      if (scope === void 0) {
        scope = ''
      }
      var pauseDepths = this.pauseDepths
      pauseDepths[scope] = (pauseDepths[scope] || 0) + 1
      this.clearTimeout()
    }
    DelayedRunner.prototype.resume = function (scope, force) {
      if (scope === void 0) {
        scope = ''
      }
      var pauseDepths = this.pauseDepths
      if (scope in pauseDepths) {
        if (force) {
          delete pauseDepths[scope]
        } else {
          pauseDepths[scope] -= 1
          var depth = pauseDepths[scope]
          if (depth <= 0) {
            delete pauseDepths[scope]
          }
        }
        this.tryDrain()
      }
    }
    DelayedRunner.prototype.isPaused = function () {
      return Object.keys(this.pauseDepths).length
    }
    DelayedRunner.prototype.tryDrain = function () {
      if (!this.isRunning && !this.isPaused()) {
        this.isRunning = true
        while (this.isDirty) {
          this.isDirty = false
          this.drained() // might set isDirty to true again
        }
        this.isRunning = false
      }
    }
    DelayedRunner.prototype.clear = function () {
      this.clearTimeout()
      this.isDirty = false
      this.pauseDepths = {}
    }
    DelayedRunner.prototype.clearTimeout = function () {
      if (this.timeoutId) {
        clearTimeout(this.timeoutId)
        this.timeoutId = 0
      }
    }
    DelayedRunner.prototype.drained = function () {
      if (this.drainedOption) {
        this.drainedOption()
      }
    }
    return DelayedRunner
  })()

  var TaskRunner = /** @class */ (function () {
    function TaskRunner(runTaskOption, drainedOption) {
      this.runTaskOption = runTaskOption
      this.drainedOption = drainedOption
      this.queue = []
      this.delayedRunner = new DelayedRunner(this.drain.bind(this))
    }
    TaskRunner.prototype.request = function (task, delay) {
      this.queue.push(task)
      this.delayedRunner.request(delay)
    }
    TaskRunner.prototype.pause = function (scope) {
      this.delayedRunner.pause(scope)
    }
    TaskRunner.prototype.resume = function (scope, force) {
      this.delayedRunner.resume(scope, force)
    }
    TaskRunner.prototype.drain = function () {
      var queue = this.queue
      while (queue.length) {
        var completedTasks = []
        var task = void 0
        while ((task = queue.shift())) {
          this.runTask(task)
          completedTasks.push(task)
        }
        this.drained(completedTasks)
      } // keep going, in case new tasks were added in the drained handler
    }
    TaskRunner.prototype.runTask = function (task) {
      if (this.runTaskOption) {
        this.runTaskOption(task)
      }
    }
    TaskRunner.prototype.drained = function (completedTasks) {
      if (this.drainedOption) {
        this.drainedOption(completedTasks)
      }
    }
    return TaskRunner
  })()

  // Computes what the title at the top of the calendarApi should be for this view
  function buildTitle(dateProfile, viewOptions, dateEnv) {
    var range
    // for views that span a large unit of time, show the proper interval, ignoring stray days before and after
    if (/^(year|month)$/.test(dateProfile.currentRangeUnit)) {
      range = dateProfile.currentRange
    } else {
      // for day units or smaller, use the actual day range
      range = dateProfile.activeRange
    }
    return dateEnv.formatRange(range.start, range.end, createFormatter(viewOptions.titleFormat || buildTitleFormat(dateProfile)), {
      isEndExclusive: dateProfile.isRangeAllDay,
      defaultSeparator: viewOptions.titleRangeSeparator,
    })
  }
  // Generates the format string that should be used to generate the title for the current date range.
  // Attempts to compute the most appropriate format if not explicitly specified with `titleFormat`.
  function buildTitleFormat(dateProfile) {
    var currentRangeUnit = dateProfile.currentRangeUnit
    if (currentRangeUnit === 'year') {
      return { year: 'numeric' }
    }
    if (currentRangeUnit === 'month') {
      return { year: 'numeric', month: 'long' } // like "September 2014"
    }
    var days = diffWholeDays(dateProfile.currentRange.start, dateProfile.currentRange.end)
    if (days !== null && days > 1) {
      // multi-day range. shorter, like "Sep 9 - 10 2014"
      return { year: 'numeric', month: 'short', day: 'numeric' }
    }
    // one day. longer, like "September 9 2014"
    return { year: 'numeric', month: 'long', day: 'numeric' }
  }

  // in future refactor, do the redux-style function(state=initial) for initial-state
  // also, whatever is happening in constructor, have it happen in action queue too
  var CalendarDataManager = /** @class */ (function () {
    function CalendarDataManager(props) {
      var _this = this
      this.computeOptionsData = memoize(this._computeOptionsData)
      this.computeCurrentViewData = memoize(this._computeCurrentViewData)
      this.organizeRawLocales = memoize(organizeRawLocales)
      this.buildLocale = memoize(buildLocale)
      this.buildPluginHooks = buildBuildPluginHooks()
      this.buildDateEnv = memoize(buildDateEnv$1)
      this.buildTheme = memoize(buildTheme)
      this.parseToolbars = memoize(parseToolbars)
      this.buildViewSpecs = memoize(buildViewSpecs)
      this.buildDateProfileGenerator = memoizeObjArg(buildDateProfileGenerator)
      this.buildViewApi = memoize(buildViewApi)
      this.buildViewUiProps = memoizeObjArg(buildViewUiProps)
      this.buildEventUiBySource = memoize(buildEventUiBySource, isPropsEqual)
      this.buildEventUiBases = memoize(buildEventUiBases)
      this.parseContextBusinessHours = memoizeObjArg(parseContextBusinessHours)
      this.buildTitle = memoize(buildTitle)
      this.emitter = new Emitter()
      this.actionRunner = new TaskRunner(this._handleAction.bind(this), this.updateData.bind(this))
      this.currentCalendarOptionsInput = {}
      this.currentCalendarOptionsRefined = {}
      this.currentViewOptionsInput = {}
      this.currentViewOptionsRefined = {}
      this.currentCalendarOptionsRefiners = {}
      this.getCurrentData = function () {
        return _this.data
      }
      this.dispatch = function (action) {
        _this.actionRunner.request(action) // protects against recursive calls to _handleAction
      }
      this.props = props
      this.actionRunner.pause()
      var dynamicOptionOverrides = {}
      var optionsData = this.computeOptionsData(props.optionOverrides, dynamicOptionOverrides, props.calendarApi)
      var currentViewType = optionsData.calendarOptions.initialView || optionsData.pluginHooks.initialView
      var currentViewData = this.computeCurrentViewData(currentViewType, optionsData, props.optionOverrides, dynamicOptionOverrides)
      // wire things up
      // TODO: not DRY
      props.calendarApi.currentDataManager = this
      this.emitter.setThisContext(props.calendarApi)
      this.emitter.setOptions(currentViewData.options)
      var currentDate = getInitialDate(optionsData.calendarOptions, optionsData.dateEnv)
      var dateProfile = currentViewData.dateProfileGenerator.build(currentDate)
      if (!rangeContainsMarker(dateProfile.activeRange, currentDate)) {
        currentDate = dateProfile.currentRange.start
      }
      var calendarContext = {
        dateEnv: optionsData.dateEnv,
        options: optionsData.calendarOptions,
        pluginHooks: optionsData.pluginHooks,
        calendarApi: props.calendarApi,
        dispatch: this.dispatch,
        emitter: this.emitter,
        getCurrentData: this.getCurrentData,
      }
      // needs to be after setThisContext
      for (var _i = 0, _a = optionsData.pluginHooks.contextInit; _i < _a.length; _i++) {
        var callback = _a[_i]
        callback(calendarContext)
      }
      // NOT DRY
      var eventSources = initEventSources(optionsData.calendarOptions, dateProfile, calendarContext)
      var initialState = {
        dynamicOptionOverrides: dynamicOptionOverrides,
        currentViewType: currentViewType,
        currentDate: currentDate,
        dateProfile: dateProfile,
        businessHours: this.parseContextBusinessHours(calendarContext),
        eventSources: eventSources,
        eventUiBases: {},
        eventStore: createEmptyEventStore(),
        renderableEventStore: createEmptyEventStore(),
        dateSelection: null,
        eventSelection: '',
        eventDrag: null,
        eventResize: null,
        selectionConfig: this.buildViewUiProps(calendarContext).selectionConfig,
      }
      var contextAndState = __assign(__assign({}, calendarContext), initialState)
      for (var _b = 0, _c = optionsData.pluginHooks.reducers; _b < _c.length; _b++) {
        var reducer = _c[_b]
        __assign(initialState, reducer(null, null, contextAndState))
      }
      if (computeIsLoading(initialState, calendarContext)) {
        this.emitter.trigger('loading', true) // NOT DRY
      }
      this.state = initialState
      this.updateData()
      this.actionRunner.resume()
    }
    CalendarDataManager.prototype.resetOptions = function (optionOverrides, append) {
      var props = this.props
      props.optionOverrides = append ? __assign(__assign({}, props.optionOverrides), optionOverrides) : optionOverrides
      this.actionRunner.request({
        type: 'NOTHING',
      })
    }
    CalendarDataManager.prototype._handleAction = function (action) {
      var _a = this,
        props = _a.props,
        state = _a.state,
        emitter = _a.emitter
      var dynamicOptionOverrides = reduceDynamicOptionOverrides(state.dynamicOptionOverrides, action)
      var optionsData = this.computeOptionsData(props.optionOverrides, dynamicOptionOverrides, props.calendarApi)
      var currentViewType = reduceViewType(state.currentViewType, action)
      var currentViewData = this.computeCurrentViewData(currentViewType, optionsData, props.optionOverrides, dynamicOptionOverrides)
      // wire things up
      // TODO: not DRY
      props.calendarApi.currentDataManager = this
      emitter.setThisContext(props.calendarApi)
      emitter.setOptions(currentViewData.options)
      var calendarContext = {
        dateEnv: optionsData.dateEnv,
        options: optionsData.calendarOptions,
        pluginHooks: optionsData.pluginHooks,
        calendarApi: props.calendarApi,
        dispatch: this.dispatch,
        emitter: emitter,
        getCurrentData: this.getCurrentData,
      }
      var currentDate = state.currentDate,
        dateProfile = state.dateProfile
      if (this.data && this.data.dateProfileGenerator !== currentViewData.dateProfileGenerator) {
        // hack
        dateProfile = currentViewData.dateProfileGenerator.build(currentDate)
      }
      currentDate = reduceCurrentDate(currentDate, action)
      dateProfile = reduceDateProfile(dateProfile, action, currentDate, currentViewData.dateProfileGenerator)
      if (!rangeContainsMarker(dateProfile.currentRange, currentDate)) {
        currentDate = dateProfile.currentRange.start
      }
      var eventSources = reduceEventSources(state.eventSources, action, dateProfile, calendarContext)
      var eventStore = reduceEventStore(state.eventStore, action, eventSources, dateProfile, calendarContext)
      var isEventsLoading = computeEventSourcesLoading(eventSources) // BAD. also called in this func in computeIsLoading
      var renderableEventStore =
        isEventsLoading && !currentViewData.options.progressiveEventRendering
          ? state.renderableEventStore || eventStore // try from previous state
          : eventStore
      var _b = this.buildViewUiProps(calendarContext),
        eventUiSingleBase = _b.eventUiSingleBase,
        selectionConfig = _b.selectionConfig // will memoize obj
      var eventUiBySource = this.buildEventUiBySource(eventSources)
      var eventUiBases = this.buildEventUiBases(renderableEventStore.defs, eventUiSingleBase, eventUiBySource)
      var newState = {
        dynamicOptionOverrides: dynamicOptionOverrides,
        currentViewType: currentViewType,
        currentDate: currentDate,
        dateProfile: dateProfile,
        eventSources: eventSources,
        eventStore: eventStore,
        renderableEventStore: renderableEventStore,
        selectionConfig: selectionConfig,
        eventUiBases: eventUiBases,
        businessHours: this.parseContextBusinessHours(calendarContext),
        dateSelection: reduceDateSelection(state.dateSelection, action),
        eventSelection: reduceSelectedEvent(state.eventSelection, action),
        eventDrag: reduceEventDrag(state.eventDrag, action),
        eventResize: reduceEventResize(state.eventResize, action),
      }
      var contextAndState = __assign(__assign({}, calendarContext), newState)
      for (var _i = 0, _c = optionsData.pluginHooks.reducers; _i < _c.length; _i++) {
        var reducer = _c[_i]
        __assign(newState, reducer(state, action, contextAndState)) // give the OLD state, for old value
      }
      var wasLoading = computeIsLoading(state, calendarContext)
      var isLoading = computeIsLoading(newState, calendarContext)
      // TODO: use propSetHandlers in plugin system
      if (!wasLoading && isLoading) {
        emitter.trigger('loading', true)
      } else if (wasLoading && !isLoading) {
        emitter.trigger('loading', false)
      }
      this.state = newState
      if (props.onAction) {
        props.onAction(action)
      }
    }
    CalendarDataManager.prototype.updateData = function () {
      var _a = this,
        props = _a.props,
        state = _a.state
      var oldData = this.data
      var optionsData = this.computeOptionsData(props.optionOverrides, state.dynamicOptionOverrides, props.calendarApi)
      var currentViewData = this.computeCurrentViewData(state.currentViewType, optionsData, props.optionOverrides, state.dynamicOptionOverrides)
      var data = (this.data = __assign(
        __assign(
          __assign(
            {
              viewTitle: this.buildTitle(state.dateProfile, currentViewData.options, optionsData.dateEnv),
              calendarApi: props.calendarApi,
              dispatch: this.dispatch,
              emitter: this.emitter,
              getCurrentData: this.getCurrentData,
            },
            optionsData
          ),
          currentViewData
        ),
        state
      ))
      var changeHandlers = optionsData.pluginHooks.optionChangeHandlers
      var oldCalendarOptions = oldData && oldData.calendarOptions
      var newCalendarOptions = optionsData.calendarOptions
      if (oldCalendarOptions && oldCalendarOptions !== newCalendarOptions) {
        if (oldCalendarOptions.timeZone !== newCalendarOptions.timeZone) {
          // hack
          state.eventSources = data.eventSources = reduceEventSourcesNewTimeZone(data.eventSources, state.dateProfile, data)
          state.eventStore = data.eventStore = rezoneEventStoreDates(data.eventStore, oldData.dateEnv, data.dateEnv)
        }
        for (var optionName in changeHandlers) {
          if (oldCalendarOptions[optionName] !== newCalendarOptions[optionName]) {
            changeHandlers[optionName](newCalendarOptions[optionName], data)
          }
        }
      }
      if (props.onData) {
        props.onData(data)
      }
    }
    CalendarDataManager.prototype._computeOptionsData = function (optionOverrides, dynamicOptionOverrides, calendarApi) {
      // TODO: blacklist options that are handled by optionChangeHandlers
      var _a = this.processRawCalendarOptions(optionOverrides, dynamicOptionOverrides),
        refinedOptions = _a.refinedOptions,
        pluginHooks = _a.pluginHooks,
        localeDefaults = _a.localeDefaults,
        availableLocaleData = _a.availableLocaleData,
        extra = _a.extra
      warnUnknownOptions(extra)
      var dateEnv = this.buildDateEnv(
        refinedOptions.timeZone,
        refinedOptions.locale,
        refinedOptions.weekNumberCalculation,
        refinedOptions.firstDay,
        refinedOptions.weekText,
        pluginHooks,
        availableLocaleData,
        refinedOptions.defaultRangeSeparator
      )
      var viewSpecs = this.buildViewSpecs(pluginHooks.views, optionOverrides, dynamicOptionOverrides, localeDefaults)
      var theme = this.buildTheme(refinedOptions, pluginHooks)
      var toolbarConfig = this.parseToolbars(refinedOptions, optionOverrides, theme, viewSpecs, calendarApi)
      return {
        calendarOptions: refinedOptions,
        pluginHooks: pluginHooks,
        dateEnv: dateEnv,
        viewSpecs: viewSpecs,
        theme: theme,
        toolbarConfig: toolbarConfig,
        localeDefaults: localeDefaults,
        availableRawLocales: availableLocaleData.map,
      }
    }
    // always called from behind a memoizer
    CalendarDataManager.prototype.processRawCalendarOptions = function (optionOverrides, dynamicOptionOverrides) {
      var _a = mergeRawOptions([BASE_OPTION_DEFAULTS, optionOverrides, dynamicOptionOverrides]),
        locales = _a.locales,
        locale = _a.locale
      var availableLocaleData = this.organizeRawLocales(locales)
      var availableRawLocales = availableLocaleData.map
      var localeDefaults = this.buildLocale(locale || availableLocaleData.defaultCode, availableRawLocales).options
      var pluginHooks = this.buildPluginHooks(optionOverrides.plugins || [], globalPlugins)
      var refiners = (this.currentCalendarOptionsRefiners = __assign(
        __assign(__assign(__assign(__assign({}, BASE_OPTION_REFINERS), CALENDAR_LISTENER_REFINERS), CALENDAR_OPTION_REFINERS), pluginHooks.listenerRefiners),
        pluginHooks.optionRefiners
      ))
      var extra = {}
      var raw = mergeRawOptions([BASE_OPTION_DEFAULTS, localeDefaults, optionOverrides, dynamicOptionOverrides])
      var refined = {}
      var currentRaw = this.currentCalendarOptionsInput
      var currentRefined = this.currentCalendarOptionsRefined
      var anyChanges = false
      for (var optionName in raw) {
        if (optionName !== 'plugins') {
          // because plugins is special-cased
          if (
            raw[optionName] === currentRaw[optionName] ||
            (COMPLEX_OPTION_COMPARATORS[optionName] && optionName in currentRaw && COMPLEX_OPTION_COMPARATORS[optionName](currentRaw[optionName], raw[optionName]))
          ) {
            refined[optionName] = currentRefined[optionName]
          } else if (refiners[optionName]) {
            refined[optionName] = refiners[optionName](raw[optionName])
            anyChanges = true
          } else {
            extra[optionName] = currentRaw[optionName]
          }
        }
      }
      if (anyChanges) {
        this.currentCalendarOptionsInput = raw
        this.currentCalendarOptionsRefined = refined
      }
      return {
        rawOptions: this.currentCalendarOptionsInput,
        refinedOptions: this.currentCalendarOptionsRefined,
        pluginHooks: pluginHooks,
        availableLocaleData: availableLocaleData,
        localeDefaults: localeDefaults,
        extra: extra,
      }
    }
    CalendarDataManager.prototype._computeCurrentViewData = function (viewType, optionsData, optionOverrides, dynamicOptionOverrides) {
      var viewSpec = optionsData.viewSpecs[viewType]
      if (!viewSpec) {
        throw new Error('viewType "' + viewType + '" is not available. Please make sure you\'ve loaded all neccessary plugins')
      }
      var _a = this.processRawViewOptions(viewSpec, optionsData.pluginHooks, optionsData.localeDefaults, optionOverrides, dynamicOptionOverrides),
        refinedOptions = _a.refinedOptions,
        extra = _a.extra
      warnUnknownOptions(extra)
      var dateProfileGenerator = this.buildDateProfileGenerator({
        dateProfileGeneratorClass: viewSpec.optionDefaults.dateProfileGeneratorClass,
        duration: viewSpec.duration,
        durationUnit: viewSpec.durationUnit,
        usesMinMaxTime: viewSpec.optionDefaults.usesMinMaxTime,
        dateEnv: optionsData.dateEnv,
        calendarApi: this.props.calendarApi,
        slotMinTime: refinedOptions.slotMinTime,
        slotMaxTime: refinedOptions.slotMaxTime,
        showNonCurrentDates: refinedOptions.showNonCurrentDates,
        dayCount: refinedOptions.dayCount,
        dateAlignment: refinedOptions.dateAlignment,
        dateIncrement: refinedOptions.dateIncrement,
        hiddenDays: refinedOptions.hiddenDays,
        weekends: refinedOptions.weekends,
        nowInput: refinedOptions.now,
        validRangeInput: refinedOptions.validRange,
        visibleRangeInput: refinedOptions.visibleRange,
        monthMode: refinedOptions.monthMode,
        fixedWeekCount: refinedOptions.fixedWeekCount,
      })
      var viewApi = this.buildViewApi(viewType, this.getCurrentData, optionsData.dateEnv)
      return {
        viewSpec: viewSpec,
        options: refinedOptions,
        dateProfileGenerator: dateProfileGenerator,
        viewApi: viewApi,
      }
    }
    CalendarDataManager.prototype.processRawViewOptions = function (viewSpec, pluginHooks, localeDefaults, optionOverrides, dynamicOptionOverrides) {
      var raw = mergeRawOptions([BASE_OPTION_DEFAULTS, viewSpec.optionDefaults, localeDefaults, optionOverrides, viewSpec.optionOverrides, dynamicOptionOverrides])
      var refiners = __assign(
        __assign(__assign(__assign(__assign(__assign({}, BASE_OPTION_REFINERS), CALENDAR_LISTENER_REFINERS), CALENDAR_OPTION_REFINERS), VIEW_OPTION_REFINERS), pluginHooks.listenerRefiners),
        pluginHooks.optionRefiners
      )
      var refined = {}
      var currentRaw = this.currentViewOptionsInput
      var currentRefined = this.currentViewOptionsRefined
      var anyChanges = false
      var extra = {}
      for (var optionName in raw) {
        if (raw[optionName] === currentRaw[optionName]) {
          refined[optionName] = currentRefined[optionName]
        } else {
          if (raw[optionName] === this.currentCalendarOptionsInput[optionName]) {
            if (optionName in this.currentCalendarOptionsRefined) {
              // might be an "extra" prop
              refined[optionName] = this.currentCalendarOptionsRefined[optionName]
            }
          } else if (refiners[optionName]) {
            refined[optionName] = refiners[optionName](raw[optionName])
          } else {
            extra[optionName] = raw[optionName]
          }
          anyChanges = true
        }
      }
      if (anyChanges) {
        this.currentViewOptionsInput = raw
        this.currentViewOptionsRefined = refined
      }
      return {
        rawOptions: this.currentViewOptionsInput,
        refinedOptions: this.currentViewOptionsRefined,
        extra: extra,
      }
    }
    return CalendarDataManager
  })()
  function buildDateEnv$1(timeZone, explicitLocale, weekNumberCalculation, firstDay, weekText, pluginHooks, availableLocaleData, defaultSeparator) {
    var locale = buildLocale(explicitLocale || availableLocaleData.defaultCode, availableLocaleData.map)
    return new DateEnv({
      calendarSystem: 'gregory',
      timeZone: timeZone,
      namedTimeZoneImpl: pluginHooks.namedTimeZonedImpl,
      locale: locale,
      weekNumberCalculation: weekNumberCalculation,
      firstDay: firstDay,
      weekText: weekText,
      cmdFormatter: pluginHooks.cmdFormatter,
      defaultSeparator: defaultSeparator,
    })
  }
  function buildTheme(options, pluginHooks) {
    var ThemeClass = pluginHooks.themeClasses[options.themeSystem] || StandardTheme
    return new ThemeClass(options)
  }
  function buildDateProfileGenerator(props) {
    var DateProfileGeneratorClass = props.dateProfileGeneratorClass || DateProfileGenerator
    return new DateProfileGeneratorClass(props)
  }
  function buildViewApi(type, getCurrentData, dateEnv) {
    return new ViewApi(type, getCurrentData, dateEnv)
  }
  function buildEventUiBySource(eventSources) {
    return mapHash(eventSources, function (eventSource) {
      return eventSource.ui
    })
  }
  function buildEventUiBases(eventDefs, eventUiSingleBase, eventUiBySource) {
    var eventUiBases = { '': eventUiSingleBase }
    for (var defId in eventDefs) {
      var def = eventDefs[defId]
      if (def.sourceId && eventUiBySource[def.sourceId]) {
        eventUiBases[defId] = eventUiBySource[def.sourceId]
      }
    }
    return eventUiBases
  }
  function buildViewUiProps(calendarContext) {
    var options = calendarContext.options
    return {
      eventUiSingleBase: createEventUi(
        {
          display: options.eventDisplay,
          editable: options.editable,
          startEditable: options.eventStartEditable,
          durationEditable: options.eventDurationEditable,
          constraint: options.eventConstraint,
          overlap: typeof options.eventOverlap === 'boolean' ? options.eventOverlap : undefined,
          allow: options.eventAllow,
          backgroundColor: options.eventBackgroundColor,
          borderColor: options.eventBorderColor,
          textColor: options.eventTextColor,
          color: options.eventColor,
        },
        calendarContext
      ),
      selectionConfig: createEventUi(
        {
          constraint: options.selectConstraint,
          overlap: typeof options.selectOverlap === 'boolean' ? options.selectOverlap : undefined,
          allow: options.selectAllow,
        },
        calendarContext
      ),
    }
  }
  function computeIsLoading(state, context) {
    for (var _i = 0, _a = context.pluginHooks.isLoadingFuncs; _i < _a.length; _i++) {
      var isLoadingFunc = _a[_i]
      if (isLoadingFunc(state)) {
        return true
      }
    }
    return false
  }
  function parseContextBusinessHours(calendarContext) {
    return parseBusinessHours(calendarContext.options.businessHours, calendarContext)
  }
  function warnUnknownOptions(options, viewName) {
    for (var optionName in options) {
      console.warn("Unknown option '" + optionName + "'" + (viewName ? " for view '" + viewName + "'" : ''))
    }
  }

  // TODO: move this to react plugin?
  var CalendarDataProvider = /** @class */ (function (_super) {
    __extends(CalendarDataProvider, _super)
    function CalendarDataProvider(props) {
      var _this = _super.call(this, props) || this
      _this.handleData = function (data) {
        if (!_this.dataManager) {
          // still within initial run, before assignment in constructor
          // eslint-disable-next-line react/no-direct-mutation-state
          _this.state = data // can't use setState yet
        } else {
          _this.setState(data)
        }
      }
      _this.dataManager = new CalendarDataManager({
        optionOverrides: props.optionOverrides,
        calendarApi: props.calendarApi,
        onData: _this.handleData,
      })
      return _this
    }
    CalendarDataProvider.prototype.render = function () {
      return this.props.children(this.state)
    }
    CalendarDataProvider.prototype.componentDidUpdate = function (prevProps) {
      var newOptionOverrides = this.props.optionOverrides
      if (newOptionOverrides !== prevProps.optionOverrides) {
        // prevent recursive handleData
        this.dataManager.resetOptions(newOptionOverrides)
      }
    }
    return CalendarDataProvider
  })(Component)

  // HELPERS
  /*
    if nextDayThreshold is specified, slicing is done in an all-day fashion.
    you can get nextDayThreshold from context.nextDayThreshold
    */
  function sliceEvents(props, allDay) {
    return sliceEventStore(props.eventStore, props.eventUiBases, props.dateProfile.activeRange, allDay ? props.nextDayThreshold : null).fg
  }

  var NamedTimeZoneImpl = /** @class */ (function () {
    function NamedTimeZoneImpl(timeZoneName) {
      this.timeZoneName = timeZoneName
    }
    return NamedTimeZoneImpl
  })()

  var Interaction = /** @class */ (function () {
    function Interaction(settings) {
      this.component = settings.component
    }
    Interaction.prototype.destroy = function () {}
    return Interaction
  })()
  function parseInteractionSettings(component, input) {
    return {
      component: component,
      el: input.el,
      useEventCenter: input.useEventCenter != null ? input.useEventCenter : true,
    }
  }
  function interactionSettingsToStore(settings) {
    var _a
    return (_a = {}), (_a[settings.component.uid] = settings), _a
  }
  // global state
  var interactionSettingsStore = {}

  /*
    An abstraction for a dragging interaction originating on an event.
    Does higher-level things than PointerDragger, such as possibly:
    - a "mirror" that moves with the pointer
    - a minimum number of pixels or other criteria for a true drag to begin

    subclasses must emit:
    - pointerdown
    - dragstart
    - dragmove
    - pointerup
    - dragend
    */
  var ElementDragging = /** @class */ (function () {
    function ElementDragging(el, selector) {
      this.emitter = new Emitter()
    }
    ElementDragging.prototype.destroy = function () {}
    ElementDragging.prototype.setMirrorIsVisible = function (bool) {
      // optional if subclass doesn't want to support a mirror
    }
    ElementDragging.prototype.setMirrorNeedsRevert = function (bool) {
      // optional if subclass doesn't want to support a mirror
    }
    ElementDragging.prototype.setAutoScrollEnabled = function (bool) {
      // optional
    }
    return ElementDragging
  })()

  // TODO: get rid of this in favor of options system,
  // tho it's really easy to access this globally rather than pass thru options.
  var config = {}

  /*
    Information about what will happen when an external element is dragged-and-dropped
    onto a calendar. Contains information for creating an event.
    */
  var DRAG_META_REFINERS = {
    startTime: createDuration,
    duration: createDuration,
    create: Boolean,
    sourceId: String,
  }
  function parseDragMeta(raw) {
    var _a = refineProps(raw, DRAG_META_REFINERS),
      refined = _a.refined,
      extra = _a.extra
    return {
      startTime: refined.startTime || null,
      duration: refined.duration || null,
      create: refined.create != null ? refined.create : true,
      sourceId: refined.sourceId,
      leftoverProps: extra,
    }
  }

  var ToolbarSection = /** @class */ (function (_super) {
    __extends(ToolbarSection, _super)
    function ToolbarSection() {
      return (_super !== null && _super.apply(this, arguments)) || this
    }
    ToolbarSection.prototype.render = function () {
      var _this = this
      var children = this.props.widgetGroups.map(function (widgetGroup) {
        return _this.renderWidgetGroup(widgetGroup)
      })
      return createElement.apply(void 0, __spreadArrays(['div', { className: 'fc-toolbar-chunk' }], children))
    }
    ToolbarSection.prototype.renderWidgetGroup = function (widgetGroup) {
      var props = this.props
      var theme = this.context.theme
      var children = []
      var isOnlyButtons = true
      for (var _i = 0, widgetGroup_1 = widgetGroup; _i < widgetGroup_1.length; _i++) {
        var widget = widgetGroup_1[_i]
        var buttonName = widget.buttonName,
          buttonClick = widget.buttonClick,
          buttonText = widget.buttonText,
          buttonIcon = widget.buttonIcon
        if (buttonName === 'title') {
          isOnlyButtons = false
          children.push(createElement('h2', { className: 'fc-toolbar-title' }, props.title))
        } else {
          var ariaAttrs = buttonIcon ? { 'aria-label': buttonName } : {}
          var buttonClasses = ['fc-' + buttonName + '-button', theme.getClass('button')]
          if (buttonName === props.activeButton) {
            buttonClasses.push(theme.getClass('buttonActive'))
          }
          var isDisabled = (!props.isTodayEnabled && buttonName === 'today') || (!props.isPrevEnabled && buttonName === 'prev') || (!props.isNextEnabled && buttonName === 'next')
          children.push(
            createElement(
              'button',
              __assign(
                {
                  disabled: isDisabled,
                  className: buttonClasses.join(' '),
                  onClick: buttonClick,
                  type: 'button',
                },
                ariaAttrs
              ),
              buttonText || (buttonIcon ? createElement('span', { className: buttonIcon }) : '')
            )
          )
        }
      }
      if (children.length > 1) {
        var groupClassName = (isOnlyButtons && theme.getClass('buttonGroup')) || ''
        return createElement.apply(void 0, __spreadArrays(['div', { className: groupClassName }], children))
      }
      return children[0]
    }
    return ToolbarSection
  })(BaseComponent)

  var Toolbar = /** @class */ (function (_super) {
    __extends(Toolbar, _super)
    function Toolbar() {
      return (_super !== null && _super.apply(this, arguments)) || this
    }
    Toolbar.prototype.render = function () {
      var _a = this.props,
        model = _a.model,
        extraClassName = _a.extraClassName
      var forceLtr = false
      var startContent
      var endContent
      var centerContent = model.center
      if (model.left) {
        forceLtr = true
        startContent = model.left
      } else {
        startContent = model.start
      }
      if (model.right) {
        forceLtr = true
        endContent = model.right
      } else {
        endContent = model.end
      }
      var classNames = [extraClassName || '', 'fc-toolbar', forceLtr ? 'fc-toolbar-ltr' : '']
      return createElement(
        'div',
        { className: classNames.join(' ') },
        this.renderSection('start', startContent || []),
        this.renderSection('center', centerContent || []),
        this.renderSection('end', endContent || [])
      )
    }
    Toolbar.prototype.renderSection = function (key, widgetGroups) {
      var props = this.props
      return createElement(ToolbarSection, {
        key: key,
        widgetGroups: widgetGroups,
        title: props.title,
        activeButton: props.activeButton,
        isTodayEnabled: props.isTodayEnabled,
        isPrevEnabled: props.isPrevEnabled,
        isNextEnabled: props.isNextEnabled,
      })
    }
    return Toolbar
  })(BaseComponent)

  // TODO: do function component?
  var ViewContainer = /** @class */ (function (_super) {
    __extends(ViewContainer, _super)
    function ViewContainer() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this
      _this.state = {
        availableWidth: null,
      }
      _this.handleEl = function (el) {
        _this.el = el
        setRef(_this.props.elRef, el)
        _this.updateAvailableWidth()
      }
      _this.handleResize = function () {
        _this.updateAvailableWidth()
      }
      return _this
    }
    ViewContainer.prototype.render = function () {
      var _a = this,
        props = _a.props,
        state = _a.state
      var aspectRatio = props.aspectRatio
      var classNames = [
        'fc-view-harness',
        aspectRatio || props.liquid || props.height
          ? 'fc-view-harness-active' // harness controls the height
          : 'fc-view-harness-passive',
      ]
      var height = ''
      var paddingBottom = ''
      if (aspectRatio) {
        if (state.availableWidth !== null) {
          height = state.availableWidth / aspectRatio
        } else {
          // while waiting to know availableWidth, we can't set height to *zero*
          // because will cause lots of unnecessary scrollbars within scrollgrid.
          // BETTER: don't start rendering ANYTHING yet until we know container width
          // NOTE: why not always use paddingBottom? Causes height oscillation (issue 5606)
          paddingBottom = (1 / aspectRatio) * 100 + '%'
        }
      } else {
        height = props.height || ''
      }
      return createElement(
        'div',
        {
          ref: this.handleEl,
          onClick: props.onClick,
          className: classNames.join(' '),
          style: { height: height, paddingBottom: paddingBottom },
        },
        props.children
      )
    }
    ViewContainer.prototype.componentDidMount = function () {
      this.context.addResizeHandler(this.handleResize)
    }
    ViewContainer.prototype.componentWillUnmount = function () {
      this.context.removeResizeHandler(this.handleResize)
    }
    ViewContainer.prototype.updateAvailableWidth = function () {
      if (
        this.el && // needed. but why?
        this.props.aspectRatio // aspectRatio is the only height setting that needs availableWidth
      ) {
        this.setState({ availableWidth: this.el.offsetWidth })
      }
    }
    return ViewContainer
  })(BaseComponent)

  /*
    Detects when the user clicks on an event within a DateComponent
    */
  var EventClicking = /** @class */ (function (_super) {
    __extends(EventClicking, _super)
    function EventClicking(settings) {
      var _this = _super.call(this, settings) || this
      _this.handleSegClick = function (ev, segEl) {
        var component = _this.component
        var context = component.context
        var seg = getElSeg(segEl)
        if (
          seg && // might be the <div> surrounding the more link
          component.isValidSegDownEl(ev.target)
        ) {
          // our way to simulate a link click for elements that can't be <a> tags
          // grab before trigger fired in case trigger trashes DOM thru rerendering
          var hasUrlContainer = elementClosest(ev.target, '.fc-event-forced-url')
          var url = hasUrlContainer ? hasUrlContainer.querySelector('a[href]').href : ''
          context.emitter.trigger('eventClick', {
            el: segEl,
            event: new EventApi(component.context, seg.eventRange.def, seg.eventRange.instance),
            jsEvent: ev,
            view: context.viewApi,
          })
          if (url && !ev.defaultPrevented) {
            window.location.href = url
          }
        }
      }
      _this.destroy = listenBySelector(
        settings.el,
        'click',
        '.fc-event', // on both fg and bg events
        _this.handleSegClick
      )
      return _this
    }
    return EventClicking
  })(Interaction)

  /*
    Triggers events and adds/removes core classNames when the user's pointer
    enters/leaves event-elements of a component.
    */
  var EventHovering = /** @class */ (function (_super) {
    __extends(EventHovering, _super)
    function EventHovering(settings) {
      var _this = _super.call(this, settings) || this
      // for simulating an eventMouseLeave when the event el is destroyed while mouse is over it
      _this.handleEventElRemove = function (el) {
        if (el === _this.currentSegEl) {
          _this.handleSegLeave(null, _this.currentSegEl)
        }
      }
      _this.handleSegEnter = function (ev, segEl) {
        if (getElSeg(segEl)) {
          // TODO: better way to make sure not hovering over more+ link or its wrapper
          _this.currentSegEl = segEl
          _this.triggerEvent('eventMouseEnter', ev, segEl)
        }
      }
      _this.handleSegLeave = function (ev, segEl) {
        if (_this.currentSegEl) {
          _this.currentSegEl = null
          _this.triggerEvent('eventMouseLeave', ev, segEl)
        }
      }
      _this.removeHoverListeners = listenToHoverBySelector(
        settings.el,
        '.fc-event', // on both fg and bg events
        _this.handleSegEnter,
        _this.handleSegLeave
      )
      return _this
    }
    EventHovering.prototype.destroy = function () {
      this.removeHoverListeners()
    }
    EventHovering.prototype.triggerEvent = function (publicEvName, ev, segEl) {
      var component = this.component
      var context = component.context
      var seg = getElSeg(segEl)
      if (!ev || component.isValidSegDownEl(ev.target)) {
        context.emitter.trigger(publicEvName, {
          el: segEl,
          event: new EventApi(context, seg.eventRange.def, seg.eventRange.instance),
          jsEvent: ev,
          view: context.viewApi,
        })
      }
    }
    return EventHovering
  })(Interaction)

  var CalendarContent = /** @class */ (function (_super) {
    __extends(CalendarContent, _super)
    function CalendarContent() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this
      _this.buildViewContext = memoize(buildViewContext)
      _this.buildViewPropTransformers = memoize(buildViewPropTransformers)
      _this.buildToolbarProps = memoize(buildToolbarProps)
      _this.handleNavLinkClick = buildDelegationHandler('a[data-navlink]', _this._handleNavLinkClick.bind(_this))
      _this.headerRef = createRef()
      _this.footerRef = createRef()
      _this.interactionsStore = {}
      // Component Registration
      // -----------------------------------------------------------------------------------------------------------------
      _this.registerInteractiveComponent = function (component, settingsInput) {
        var settings = parseInteractionSettings(component, settingsInput)
        var DEFAULT_INTERACTIONS = [EventClicking, EventHovering]
        var interactionClasses = DEFAULT_INTERACTIONS.concat(_this.props.pluginHooks.componentInteractions)
        var interactions = interactionClasses.map(function (TheInteractionClass) {
          return new TheInteractionClass(settings)
        })
        _this.interactionsStore[component.uid] = interactions
        interactionSettingsStore[component.uid] = settings
      }
      _this.unregisterInteractiveComponent = function (component) {
        for (var _i = 0, _a = _this.interactionsStore[component.uid]; _i < _a.length; _i++) {
          var listener = _a[_i]
          listener.destroy()
        }
        delete _this.interactionsStore[component.uid]
        delete interactionSettingsStore[component.uid]
      }
      // Resizing
      // -----------------------------------------------------------------------------------------------------------------
      _this.resizeRunner = new DelayedRunner(function () {
        _this.props.emitter.trigger('_resize', true) // should window resizes be considered "forced" ?
        _this.props.emitter.trigger('windowResize', {
          view: _this.props.viewApi,
        })
      })
      _this.handleWindowResize = function (ev) {
        var options = _this.props.options
        if (
          options.handleWindowResize &&
          ev.target === window // avoid jqui events
        ) {
          _this.resizeRunner.request(options.windowResizeDelay)
        }
      }
      return _this
    }
    /*
        renders INSIDE of an outer div
        */
    CalendarContent.prototype.render = function () {
      var props = this.props
      var toolbarConfig = props.toolbarConfig,
        options = props.options
      var toolbarProps = this.buildToolbarProps(
        props.viewSpec,
        props.dateProfile,
        props.dateProfileGenerator,
        props.currentDate,
        getNow(props.options.now, props.dateEnv), // TODO: use NowTimer????
        props.viewTitle
      )
      var viewVGrow = false
      var viewHeight = ''
      var viewAspectRatio
      if (props.isHeightAuto || props.forPrint) {
        viewHeight = ''
      } else if (options.height != null) {
        viewVGrow = true
      } else if (options.contentHeight != null) {
        viewHeight = options.contentHeight
      } else {
        viewAspectRatio = Math.max(options.aspectRatio, 0.5) // prevent from getting too tall
      }
      var viewContext = this.buildViewContext(
        props.viewSpec,
        props.viewApi,
        props.options,
        props.dateProfileGenerator,
        props.dateEnv,
        props.theme,
        props.pluginHooks,
        props.dispatch,
        props.getCurrentData,
        props.emitter,
        props.calendarApi,
        this.registerInteractiveComponent,
        this.unregisterInteractiveComponent
      )
      return createElement(
        ViewContextType.Provider,
        { value: viewContext },
        toolbarConfig.headerToolbar &&
          createElement(
            Toolbar,
            __assign(
              {
                ref: this.headerRef,
                extraClassName: 'fc-header-toolbar',
                model: toolbarConfig.headerToolbar,
              },
              toolbarProps
            )
          ),
        createElement(
          ViewContainer,
          {
            liquid: viewVGrow,
            height: viewHeight,
            aspectRatio: viewAspectRatio,
            onClick: this.handleNavLinkClick,
          },
          this.renderView(props),
          this.buildAppendContent()
        ),
        toolbarConfig.footerToolbar &&
          createElement(
            Toolbar,
            __assign(
              {
                ref: this.footerRef,
                extraClassName: 'fc-footer-toolbar',
                model: toolbarConfig.footerToolbar,
              },
              toolbarProps
            )
          )
      )
    }
    CalendarContent.prototype.componentDidMount = function () {
      var props = this.props
      this.calendarInteractions = props.pluginHooks.calendarInteractions.map(function (CalendarInteractionClass) {
        return new CalendarInteractionClass(props)
      })
      window.addEventListener('resize', this.handleWindowResize)
      var propSetHandlers = props.pluginHooks.propSetHandlers
      for (var propName in propSetHandlers) {
        propSetHandlers[propName](props[propName], props)
      }
    }
    CalendarContent.prototype.componentDidUpdate = function (prevProps) {
      var props = this.props
      var propSetHandlers = props.pluginHooks.propSetHandlers
      for (var propName in propSetHandlers) {
        if (props[propName] !== prevProps[propName]) {
          propSetHandlers[propName](props[propName], props)
        }
      }
    }
    CalendarContent.prototype.componentWillUnmount = function () {
      window.removeEventListener('resize', this.handleWindowResize)
      this.resizeRunner.clear()
      for (var _i = 0, _a = this.calendarInteractions; _i < _a.length; _i++) {
        var interaction = _a[_i]
        interaction.destroy()
      }
      this.props.emitter.trigger('_unmount')
    }
    CalendarContent.prototype._handleNavLinkClick = function (ev, anchorEl) {
      var _a = this.props,
        dateEnv = _a.dateEnv,
        options = _a.options,
        calendarApi = _a.calendarApi
      var navLinkOptions = anchorEl.getAttribute('data-navlink')
      navLinkOptions = navLinkOptions ? JSON.parse(navLinkOptions) : {}
      var dateMarker = dateEnv.createMarker(navLinkOptions.date)
      var viewType = navLinkOptions.type
      var customAction = viewType === 'day' ? options.navLinkDayClick : viewType === 'week' ? options.navLinkWeekClick : null
      if (typeof customAction === 'function') {
        customAction.call(calendarApi, dateEnv.toDate(dateMarker), ev)
      } else {
        if (typeof customAction === 'string') {
          viewType = customAction
        }
        calendarApi.zoomTo(dateMarker, viewType)
      }
    }
    CalendarContent.prototype.buildAppendContent = function () {
      var props = this.props
      var children = props.pluginHooks.viewContainerAppends.map(function (buildAppendContent) {
        return buildAppendContent(props)
      })
      return createElement.apply(void 0, __spreadArrays([Fragment, {}], children))
    }
    CalendarContent.prototype.renderView = function (props) {
      var pluginHooks = props.pluginHooks
      var viewSpec = props.viewSpec
      var viewProps = {
        dateProfile: props.dateProfile,
        businessHours: props.businessHours,
        eventStore: props.renderableEventStore,
        eventUiBases: props.eventUiBases,
        dateSelection: props.dateSelection,
        eventSelection: props.eventSelection,
        eventDrag: props.eventDrag,
        eventResize: props.eventResize,
        isHeightAuto: props.isHeightAuto,
        forPrint: props.forPrint,
      }
      var transformers = this.buildViewPropTransformers(pluginHooks.viewPropsTransformers)
      for (var _i = 0, transformers_1 = transformers; _i < transformers_1.length; _i++) {
        var transformer = transformers_1[_i]
        __assign(viewProps, transformer.transform(viewProps, props))
      }
      var ViewComponent = viewSpec.component
      return createElement(ViewComponent, __assign({}, viewProps))
    }
    return CalendarContent
  })(PureComponent)
  function buildToolbarProps(viewSpec, dateProfile, dateProfileGenerator, currentDate, now, title) {
    // don't force any date-profiles to valid date profiles (the `false`) so that we can tell if it's invalid
    var todayInfo = dateProfileGenerator.build(now, undefined, false) // TODO: need `undefined` or else INFINITE LOOP for some reason
    var prevInfo = dateProfileGenerator.buildPrev(dateProfile, currentDate, false)
    var nextInfo = dateProfileGenerator.buildNext(dateProfile, currentDate, false)
    return {
      title: title,
      activeButton: viewSpec.type,
      isTodayEnabled: todayInfo.isValid && !rangeContainsMarker(dateProfile.currentRange, now),
      isPrevEnabled: prevInfo.isValid,
      isNextEnabled: nextInfo.isValid,
    }
  }
  // Plugin
  // -----------------------------------------------------------------------------------------------------------------
  function buildViewPropTransformers(theClasses) {
    return theClasses.map(function (TheClass) {
      return new TheClass()
    })
  }

  var CalendarRoot = /** @class */ (function (_super) {
    __extends(CalendarRoot, _super)
    function CalendarRoot() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this
      _this.state = {
        forPrint: false,
      }
      _this.handleBeforePrint = function () {
        _this.setState({ forPrint: true })
      }
      _this.handleAfterPrint = function () {
        _this.setState({ forPrint: false })
      }
      return _this
    }
    CalendarRoot.prototype.render = function () {
      var props = this.props
      var options = props.options
      var forPrint = this.state.forPrint
      var isHeightAuto = forPrint || options.height === 'auto' || options.contentHeight === 'auto'
      var height = !isHeightAuto && options.height != null ? options.height : ''
      var classNames = ['fc', forPrint ? 'fc-media-print' : 'fc-media-screen', 'fc-direction-' + options.direction, props.theme.getClass('root')]
      if (!getCanVGrowWithinCell()) {
        classNames.push('fc-liquid-hack')
      }
      return props.children(classNames, height, isHeightAuto, forPrint)
    }
    CalendarRoot.prototype.componentDidMount = function () {
      var emitter = this.props.emitter
      emitter.on('_beforeprint', this.handleBeforePrint)
      emitter.on('_afterprint', this.handleAfterPrint)
    }
    CalendarRoot.prototype.componentWillUnmount = function () {
      var emitter = this.props.emitter
      emitter.off('_beforeprint', this.handleBeforePrint)
      emitter.off('_afterprint', this.handleAfterPrint)
    }
    return CalendarRoot
  })(BaseComponent)

  // Computes a default column header formatting string if `colFormat` is not explicitly defined
  function computeFallbackHeaderFormat(datesRepDistinctDays, dayCnt) {
    // if more than one week row, or if there are a lot of columns with not much space,
    // put just the day numbers will be in each cell
    if (!datesRepDistinctDays || dayCnt > 10) {
      return createFormatter({ weekday: 'short' }) // "Sat"
    }
    if (dayCnt > 1) {
      return createFormatter({
        weekday: 'short',
        month: 'numeric',
        day: 'numeric',
        omitCommas: true,
      }) // "Sat 11/12"
    }
    return createFormatter({ weekday: 'long' }) // "Saturday"
  }

  var CLASS_NAME = 'fc-col-header-cell' // do the cushion too? no
  function renderInner(hookProps) {
    return hookProps.text
  }

  var TableDateCell = /** @class */ (function (_super) {
    __extends(TableDateCell, _super)
    function TableDateCell() {
      return (_super !== null && _super.apply(this, arguments)) || this
    }
    TableDateCell.prototype.render = function () {
      var _a = this.context,
        dateEnv = _a.dateEnv,
        options = _a.options,
        theme = _a.theme,
        viewApi = _a.viewApi
      var props = this.props
      var date = props.date,
        dateProfile = props.dateProfile
      var dayMeta = getDateMeta(date, props.todayRange, null, dateProfile)
      var classNames = [CLASS_NAME].concat(getDayClassNames(dayMeta, theme))
      var text = dateEnv.format(date, props.dayHeaderFormat)
      // if colCnt is 1, we are already in a day-view and don't need a navlink
      var navLinkAttrs = options.navLinks && !dayMeta.isDisabled && props.colCnt > 1 ? { 'data-navlink': buildNavLinkData(date), tabIndex: 0 } : {}
      var hookProps = __assign(__assign(__assign({ date: dateEnv.toDate(date), view: viewApi }, props.extraHookProps), { text: text }), dayMeta)
      return createElement(
        RenderHook,
        {
          hookProps: hookProps,
          classNames: options.dayHeaderClassNames,
          content: options.dayHeaderContent,
          defaultContent: renderInner,
          didMount: options.dayHeaderDidMount,
          willUnmount: options.dayHeaderWillUnmount,
        },
        function (rootElRef, customClassNames, innerElRef, innerContent) {
          return createElement(
            'th',
            __assign(
              {
                ref: rootElRef,
                className: classNames.concat(customClassNames).join(' '),
                'data-date': !dayMeta.isDisabled ? formatDayString(date) : undefined,
                colSpan: props.colSpan,
              },
              props.extraDataAttrs
            ),
            createElement(
              'div',
              { className: 'fc-scrollgrid-sync-inner' },
              !dayMeta.isDisabled &&
                createElement(
                  'a',
                  __assign(
                    {
                      ref: innerElRef,
                      className: ['fc-col-header-cell-cushion', props.isSticky ? 'fc-sticky' : ''].join(' '),
                    },
                    navLinkAttrs
                  ),
                  innerContent
                )
            )
          )
        }
      )
    }
    return TableDateCell
  })(BaseComponent)

  var TableDowCell = /** @class */ (function (_super) {
    __extends(TableDowCell, _super)
    function TableDowCell() {
      return (_super !== null && _super.apply(this, arguments)) || this
    }
    TableDowCell.prototype.render = function () {
      var props = this.props
      var _a = this.context,
        dateEnv = _a.dateEnv,
        theme = _a.theme,
        viewApi = _a.viewApi,
        options = _a.options
      var date = addDays(new Date(259200000), props.dow) // start with Sun, 04 Jan 1970 00:00:00 GMT
      var dateMeta = {
        dow: props.dow,
        isDisabled: false,
        isFuture: false,
        isPast: false,
        isToday: false,
        isOther: false,
      }
      var classNames = [CLASS_NAME].concat(getDayClassNames(dateMeta, theme), props.extraClassNames || [])
      var text = dateEnv.format(date, props.dayHeaderFormat)
      var hookProps = __assign(
        __assign(
          __assign(
            __assign(
              {
                // TODO: make this public?
                date: date,
              },
              dateMeta
            ),
            { view: viewApi }
          ),
          props.extraHookProps
        ),
        { text: text }
      )
      return createElement(
        RenderHook,
        {
          hookProps: hookProps,
          classNames: options.dayHeaderClassNames,
          content: options.dayHeaderContent,
          defaultContent: renderInner,
          didMount: options.dayHeaderDidMount,
          willUnmount: options.dayHeaderWillUnmount,
        },
        function (rootElRef, customClassNames, innerElRef, innerContent) {
          return createElement(
            'th',
            __assign(
              {
                ref: rootElRef,
                className: classNames.concat(customClassNames).join(' '),
                colSpan: props.colSpan,
              },
              props.extraDataAttrs
            ),
            createElement(
              'div',
              { className: 'fc-scrollgrid-sync-inner' },
              createElement(
                'a',
                {
                  className: ['fc-col-header-cell-cushion', props.isSticky ? 'fc-sticky' : ''].join(' '),
                  ref: innerElRef,
                },
                innerContent
              )
            )
          )
        }
      )
    }
    return TableDowCell
  })(BaseComponent)

  var NowTimer = /** @class */ (function (_super) {
    __extends(NowTimer, _super)
    function NowTimer(props, context) {
      var _this = _super.call(this, props, context) || this
      _this.initialNowDate = getNow(context.options.now, context.dateEnv)
      _this.initialNowQueriedMs = new Date().valueOf()
      _this.state = _this.computeTiming().currentState
      return _this
    }
    NowTimer.prototype.render = function () {
      var _a = this,
        props = _a.props,
        state = _a.state
      return props.children(state.nowDate, state.todayRange)
    }
    NowTimer.prototype.componentDidMount = function () {
      this.setTimeout()
    }
    NowTimer.prototype.componentDidUpdate = function (prevProps) {
      if (prevProps.unit !== this.props.unit) {
        this.clearTimeout()
        this.setTimeout()
      }
    }
    NowTimer.prototype.componentWillUnmount = function () {
      this.clearTimeout()
    }
    NowTimer.prototype.computeTiming = function () {
      var _a = this,
        props = _a.props,
        context = _a.context
      var unroundedNow = addMs(this.initialNowDate, new Date().valueOf() - this.initialNowQueriedMs)
      var currentUnitStart = context.dateEnv.startOf(unroundedNow, props.unit)
      var nextUnitStart = context.dateEnv.add(currentUnitStart, createDuration(1, props.unit))
      var waitMs = nextUnitStart.valueOf() - unroundedNow.valueOf()
      // there is a max setTimeout ms value (https://stackoverflow.com/a/3468650/96342)
      // ensure no longer than a day
      waitMs = Math.min(1000 * 60 * 60 * 24, waitMs)
      return {
        currentState: {
          nowDate: currentUnitStart,
          todayRange: buildDayRange(currentUnitStart),
        },
        nextState: {
          nowDate: nextUnitStart,
          todayRange: buildDayRange(nextUnitStart),
        },
        waitMs: waitMs,
      }
    }
    NowTimer.prototype.setTimeout = function () {
      var _this = this
      var _a = this.computeTiming(),
        nextState = _a.nextState,
        waitMs = _a.waitMs
      this.timeoutId = setTimeout(function () {
        _this.setState(nextState, function () {
          _this.setTimeout()
        })
      }, waitMs)
    }
    NowTimer.prototype.clearTimeout = function () {
      if (this.timeoutId) {
        clearTimeout(this.timeoutId)
      }
    }
    NowTimer.contextType = ViewContextType
    return NowTimer
  })(Component)
  function buildDayRange(date) {
    var start = startOfDay(date)
    var end = addDays(start, 1)
    return { start: start, end: end }
  }

  var DayHeader = /** @class */ (function (_super) {
    __extends(DayHeader, _super)
    function DayHeader() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this
      _this.createDayHeaderFormatter = memoize(createDayHeaderFormatter)
      return _this
    }
    DayHeader.prototype.render = function () {
      var context = this.context
      var _a = this.props,
        dates = _a.dates,
        dateProfile = _a.dateProfile,
        datesRepDistinctDays = _a.datesRepDistinctDays,
        renderIntro = _a.renderIntro
      var dayHeaderFormat = this.createDayHeaderFormatter(context.options.dayHeaderFormat, datesRepDistinctDays, dates.length)
      return createElement(NowTimer, { unit: 'day' }, function (nowDate, todayRange) {
        return createElement(
          'tr',
          null,
          renderIntro && renderIntro('day'),
          dates.map(function (date) {
            return datesRepDistinctDays
              ? createElement(TableDateCell, {
                  key: date.toISOString(),
                  date: date,
                  dateProfile: dateProfile,
                  todayRange: todayRange,
                  colCnt: dates.length,
                  dayHeaderFormat: dayHeaderFormat,
                })
              : createElement(TableDowCell, {
                  key: date.getUTCDay(),
                  dow: date.getUTCDay(),
                  dayHeaderFormat: dayHeaderFormat,
                })
          })
        )
      })
    }
    return DayHeader
  })(BaseComponent)
  function createDayHeaderFormatter(explicitFormat, datesRepDistinctDays, dateCnt) {
    return explicitFormat || computeFallbackHeaderFormat(datesRepDistinctDays, dateCnt)
  }

  var DaySeriesModel = /** @class */ (function () {
    function DaySeriesModel(range, dateProfileGenerator) {
      var date = range.start
      var end = range.end
      var indices = []
      var dates = []
      var dayIndex = -1
      while (date < end) {
        // loop each day from start to end
        if (dateProfileGenerator.isHiddenDay(date)) {
          indices.push(dayIndex + 0.5) // mark that it's between indices
        } else {
          dayIndex += 1
          indices.push(dayIndex)
          dates.push(date)
        }
        date = addDays(date, 1)
      }
      this.dates = dates
      this.indices = indices
      this.cnt = dates.length
    }
    DaySeriesModel.prototype.sliceRange = function (range) {
      var firstIndex = this.getDateDayIndex(range.start) // inclusive first index
      var lastIndex = this.getDateDayIndex(addDays(range.end, -1)) // inclusive last index
      var clippedFirstIndex = Math.max(0, firstIndex)
      var clippedLastIndex = Math.min(this.cnt - 1, lastIndex)
      // deal with in-between indices
      clippedFirstIndex = Math.ceil(clippedFirstIndex) // in-between starts round to next cell
      clippedLastIndex = Math.floor(clippedLastIndex) // in-between ends round to prev cell
      if (clippedFirstIndex <= clippedLastIndex) {
        return {
          firstIndex: clippedFirstIndex,
          lastIndex: clippedLastIndex,
          isStart: firstIndex === clippedFirstIndex,
          isEnd: lastIndex === clippedLastIndex,
        }
      }
      return null
    }
    // Given a date, returns its chronolocial cell-index from the first cell of the grid.
    // If the date lies between cells (because of hiddenDays), returns a floating-point value between offsets.
    // If before the first offset, returns a negative number.
    // If after the last offset, returns an offset past the last cell offset.
    // Only works for *start* dates of cells. Will not work for exclusive end dates for cells.
    DaySeriesModel.prototype.getDateDayIndex = function (date) {
      var indices = this.indices
      var dayOffset = Math.floor(diffDays(this.dates[0], date))
      if (dayOffset < 0) {
        return indices[0] - 1
      }
      if (dayOffset >= indices.length) {
        return indices[indices.length - 1] + 1
      }
      return indices[dayOffset]
    }
    return DaySeriesModel
  })()

  var DayTableModel = /** @class */ (function () {
    function DayTableModel(daySeries, breakOnWeeks) {
      var dates = daySeries.dates
      var daysPerRow
      var firstDay
      var rowCnt
      if (breakOnWeeks) {
        // count columns until the day-of-week repeats
        firstDay = dates[0].getUTCDay()
        for (daysPerRow = 1; daysPerRow < dates.length; daysPerRow += 1) {
          if (dates[daysPerRow].getUTCDay() === firstDay) {
            break
          }
        }
        rowCnt = Math.ceil(dates.length / daysPerRow)
      } else {
        rowCnt = 1
        daysPerRow = dates.length
      }
      this.rowCnt = rowCnt
      this.colCnt = daysPerRow
      this.daySeries = daySeries
      this.cells = this.buildCells()
      this.headerDates = this.buildHeaderDates()
    }
    DayTableModel.prototype.buildCells = function () {
      var rows = []
      for (var row = 0; row < this.rowCnt; row += 1) {
        var cells = []
        for (var col = 0; col < this.colCnt; col += 1) {
          cells.push(this.buildCell(row, col))
        }
        rows.push(cells)
      }
      return rows
    }
    DayTableModel.prototype.buildCell = function (row, col) {
      var date = this.daySeries.dates[row * this.colCnt + col]
      return {
        key: date.toISOString(),
        date: date,
      }
    }
    DayTableModel.prototype.buildHeaderDates = function () {
      var dates = []
      for (var col = 0; col < this.colCnt; col += 1) {
        dates.push(this.cells[0][col].date)
      }
      return dates
    }
    DayTableModel.prototype.sliceRange = function (range) {
      var colCnt = this.colCnt
      var seriesSeg = this.daySeries.sliceRange(range)
      var segs = []
      if (seriesSeg) {
        var firstIndex = seriesSeg.firstIndex,
          lastIndex = seriesSeg.lastIndex
        var index = firstIndex
        while (index <= lastIndex) {
          var row = Math.floor(index / colCnt)
          var nextIndex = Math.min((row + 1) * colCnt, lastIndex + 1)
          segs.push({
            row: row,
            firstCol: index % colCnt,
            lastCol: (nextIndex - 1) % colCnt,
            isStart: seriesSeg.isStart && index === firstIndex,
            isEnd: seriesSeg.isEnd && nextIndex - 1 === lastIndex,
          })
          index = nextIndex
        }
      }
      return segs
    }
    return DayTableModel
  })()

  var Slicer = /** @class */ (function () {
    function Slicer() {
      this.sliceBusinessHours = memoize(this._sliceBusinessHours)
      this.sliceDateSelection = memoize(this._sliceDateSpan)
      this.sliceEventStore = memoize(this._sliceEventStore)
      this.sliceEventDrag = memoize(this._sliceInteraction)
      this.sliceEventResize = memoize(this._sliceInteraction)
      this.forceDayIfListItem = false // hack
    }
    Slicer.prototype.sliceProps = function (props, dateProfile, nextDayThreshold, context) {
      var extraArgs = []
      for (var _i = 4; _i < arguments.length; _i++) {
        extraArgs[_i - 4] = arguments[_i]
      }
      var eventUiBases = props.eventUiBases
      var eventSegs = this.sliceEventStore.apply(this, __spreadArrays([props.eventStore, eventUiBases, dateProfile, nextDayThreshold], extraArgs))
      return {
        dateSelectionSegs: this.sliceDateSelection.apply(this, __spreadArrays([props.dateSelection, eventUiBases, context], extraArgs)),
        businessHourSegs: this.sliceBusinessHours.apply(this, __spreadArrays([props.businessHours, dateProfile, nextDayThreshold, context], extraArgs)),
        fgEventSegs: eventSegs.fg,
        bgEventSegs: eventSegs.bg,
        eventDrag: this.sliceEventDrag.apply(this, __spreadArrays([props.eventDrag, eventUiBases, dateProfile, nextDayThreshold], extraArgs)),
        eventResize: this.sliceEventResize.apply(this, __spreadArrays([props.eventResize, eventUiBases, dateProfile, nextDayThreshold], extraArgs)),
        eventSelection: props.eventSelection,
      } // TODO: give interactionSegs?
    }
    Slicer.prototype.sliceNowDate = function (
      // does not memoize
      date,
      context
    ) {
      var extraArgs = []
      for (var _i = 2; _i < arguments.length; _i++) {
        extraArgs[_i - 2] = arguments[_i]
      }
      return this._sliceDateSpan.apply(this, __spreadArrays([{ range: { start: date, end: addMs(date, 1) }, allDay: false }, {}, context], extraArgs))
    }
    Slicer.prototype._sliceBusinessHours = function (businessHours, dateProfile, nextDayThreshold, context) {
      var extraArgs = []
      for (var _i = 4; _i < arguments.length; _i++) {
        extraArgs[_i - 4] = arguments[_i]
      }
      if (!businessHours) {
        return []
      }
      return this._sliceEventStore.apply(
        this,
        __spreadArrays([expandRecurring(businessHours, computeActiveRange(dateProfile, Boolean(nextDayThreshold)), context), {}, dateProfile, nextDayThreshold], extraArgs)
      ).bg
    }
    Slicer.prototype._sliceEventStore = function (eventStore, eventUiBases, dateProfile, nextDayThreshold) {
      var extraArgs = []
      for (var _i = 4; _i < arguments.length; _i++) {
        extraArgs[_i - 4] = arguments[_i]
      }
      if (eventStore) {
        var rangeRes = sliceEventStore(eventStore, eventUiBases, computeActiveRange(dateProfile, Boolean(nextDayThreshold)), nextDayThreshold)
        return {
          bg: this.sliceEventRanges(rangeRes.bg, extraArgs),
          fg: this.sliceEventRanges(rangeRes.fg, extraArgs),
        }
      }
      return { bg: [], fg: [] }
    }
    Slicer.prototype._sliceInteraction = function (interaction, eventUiBases, dateProfile, nextDayThreshold) {
      var extraArgs = []
      for (var _i = 4; _i < arguments.length; _i++) {
        extraArgs[_i - 4] = arguments[_i]
      }
      if (!interaction) {
        return null
      }
      var rangeRes = sliceEventStore(interaction.mutatedEvents, eventUiBases, computeActiveRange(dateProfile, Boolean(nextDayThreshold)), nextDayThreshold)
      return {
        segs: this.sliceEventRanges(rangeRes.fg, extraArgs),
        affectedInstances: interaction.affectedEvents.instances,
        isEvent: interaction.isEvent,
      }
    }
    Slicer.prototype._sliceDateSpan = function (dateSpan, eventUiBases, context) {
      var extraArgs = []
      for (var _i = 3; _i < arguments.length; _i++) {
        extraArgs[_i - 3] = arguments[_i]
      }
      if (!dateSpan) {
        return []
      }
      var eventRange = fabricateEventRange(dateSpan, eventUiBases, context)
      var segs = this.sliceRange.apply(this, __spreadArrays([dateSpan.range], extraArgs))
      for (var _a = 0, segs_1 = segs; _a < segs_1.length; _a++) {
        var seg = segs_1[_a]
        seg.eventRange = eventRange
      }
      return segs
    }
    /*
        "complete" seg means it has component and eventRange
        */
    Slicer.prototype.sliceEventRanges = function (eventRanges, extraArgs) {
      var segs = []
      for (var _i = 0, eventRanges_1 = eventRanges; _i < eventRanges_1.length; _i++) {
        var eventRange = eventRanges_1[_i]
        segs.push.apply(segs, this.sliceEventRange(eventRange, extraArgs))
      }
      return segs
    }
    /*
        "complete" seg means it has component and eventRange
        */
    Slicer.prototype.sliceEventRange = function (eventRange, extraArgs) {
      var dateRange = eventRange.range
      // hack to make multi-day events that are being force-displayed as list-items to take up only one day
      if (this.forceDayIfListItem && eventRange.ui.display === 'list-item') {
        dateRange = {
          start: dateRange.start,
          end: addDays(dateRange.start, 1),
        }
      }
      var segs = this.sliceRange.apply(this, __spreadArrays([dateRange], extraArgs))
      for (var _i = 0, segs_2 = segs; _i < segs_2.length; _i++) {
        var seg = segs_2[_i]
        seg.eventRange = eventRange
        seg.isStart = eventRange.isStart && seg.isStart
        seg.isEnd = eventRange.isEnd && seg.isEnd
      }
      return segs
    }
    return Slicer
  })()
  /*
    for incorporating slotMinTime/slotMaxTime if appropriate
    TODO: should be part of DateProfile!
    TimelineDateProfile already does this btw
    */
  function computeActiveRange(dateProfile, isComponentAllDay) {
    var range = dateProfile.activeRange
    if (isComponentAllDay) {
      return range
    }
    return {
      start: addMs(range.start, dateProfile.slotMinTime.milliseconds),
      end: addMs(range.end, dateProfile.slotMaxTime.milliseconds - 864e5),
    }
  }

  var VISIBLE_HIDDEN_RE = /^(visible|hidden)$/
  var Scroller = /** @class */ (function (_super) {
    __extends(Scroller, _super)
    function Scroller() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this
      _this.handleEl = function (el) {
        _this.el = el
        setRef(_this.props.elRef, el)
      }
      return _this
    }
    Scroller.prototype.render = function () {
      var props = this.props
      var liquid = props.liquid,
        liquidIsAbsolute = props.liquidIsAbsolute
      var isAbsolute = liquid && liquidIsAbsolute
      var className = ['fc-scroller']
      if (liquid) {
        if (liquidIsAbsolute) {
          className.push('fc-scroller-liquid-absolute')
        } else {
          className.push('fc-scroller-liquid')
        }
      }
      return createElement(
        'div',
        {
          ref: this.handleEl,
          className: className.join(' '),
          style: {
            overflowX: props.overflowX,
            overflowY: props.overflowY,
            left: (isAbsolute && -(props.overcomeLeft || 0)) || '',
            right: (isAbsolute && -(props.overcomeRight || 0)) || '',
            bottom: (isAbsolute && -(props.overcomeBottom || 0)) || '',
            marginLeft: (!isAbsolute && -(props.overcomeLeft || 0)) || '',
            marginRight: (!isAbsolute && -(props.overcomeRight || 0)) || '',
            marginBottom: (!isAbsolute && -(props.overcomeBottom || 0)) || '',
            maxHeight: props.maxHeight || '',
          },
        },
        props.children
      )
    }
    Scroller.prototype.needsXScrolling = function () {
      if (VISIBLE_HIDDEN_RE.test(this.props.overflowX)) {
        return false
      }
      // testing scrollWidth>clientWidth is unreliable cross-browser when pixel heights aren't integers.
      // much more reliable to see if children are taller than the scroller, even tho doesn't account for
      // inner-child margins and absolute positioning
      var el = this.el
      var realClientWidth = this.el.getBoundingClientRect().width - this.getYScrollbarWidth()
      var children = el.children
      for (var i = 0; i < children.length; i += 1) {
        var childEl = children[i]
        if (childEl.getBoundingClientRect().width > realClientWidth) {
          return true
        }
      }
      return false
    }
    Scroller.prototype.needsYScrolling = function () {
      if (VISIBLE_HIDDEN_RE.test(this.props.overflowY)) {
        return false
      }
      // testing scrollHeight>clientHeight is unreliable cross-browser when pixel heights aren't integers.
      // much more reliable to see if children are taller than the scroller, even tho doesn't account for
      // inner-child margins and absolute positioning
      var el = this.el
      var realClientHeight = this.el.getBoundingClientRect().height - this.getXScrollbarWidth()
      var children = el.children
      for (var i = 0; i < children.length; i += 1) {
        var childEl = children[i]
        if (childEl.getBoundingClientRect().height > realClientHeight) {
          return true
        }
      }
      return false
    }
    Scroller.prototype.getXScrollbarWidth = function () {
      if (VISIBLE_HIDDEN_RE.test(this.props.overflowX)) {
        return 0
      }
      return this.el.offsetHeight - this.el.clientHeight // only works because we guarantee no borders. TODO: add to CSS with important?
    }
    Scroller.prototype.getYScrollbarWidth = function () {
      if (VISIBLE_HIDDEN_RE.test(this.props.overflowY)) {
        return 0
      }
      return this.el.offsetWidth - this.el.clientWidth // only works because we guarantee no borders. TODO: add to CSS with important?
    }
    return Scroller
  })(BaseComponent)

  /*
    TODO: somehow infer OtherArgs from masterCallback?
    TODO: infer RefType from masterCallback if provided
    */
  var RefMap = /** @class */ (function () {
    function RefMap(masterCallback) {
      var _this = this
      this.masterCallback = masterCallback
      this.currentMap = {}
      this.depths = {}
      this.callbackMap = {}
      this.handleValue = function (val, key) {
        var _a = _this,
          depths = _a.depths,
          currentMap = _a.currentMap
        var removed = false
        var added = false
        if (val !== null) {
          // for bug... ACTUALLY: can probably do away with this now that callers don't share numeric indices anymore
          removed = key in currentMap
          currentMap[key] = val
          depths[key] = (depths[key] || 0) + 1
          added = true
        } else {
          depths[key] -= 1
          if (!depths[key]) {
            delete currentMap[key]
            delete _this.callbackMap[key]
            removed = true
          }
        }
        if (_this.masterCallback) {
          if (removed) {
            _this.masterCallback(null, String(key))
          }
          if (added) {
            _this.masterCallback(val, String(key))
          }
        }
      }
    }
    RefMap.prototype.createRef = function (key) {
      var _this = this
      var refCallback = this.callbackMap[key]
      if (!refCallback) {
        refCallback = this.callbackMap[key] = function (val) {
          _this.handleValue(val, String(key))
        }
      }
      return refCallback
    }
    // TODO: check callers that don't care about order. should use getAll instead
    // NOTE: this method has become less valuable now that we are encouraged to map order by some other index
    // TODO: provide ONE array-export function, buildArray, which fails on non-numeric indexes. caller can manipulate and "collect"
    RefMap.prototype.collect = function (startIndex, endIndex, step) {
      return collectFromHash(this.currentMap, startIndex, endIndex, step)
    }
    RefMap.prototype.getAll = function () {
      return hashValuesToArray(this.currentMap)
    }
    return RefMap
  })()

  function computeShrinkWidth(chunkEls) {
    var shrinkCells = findElements(chunkEls, '.fc-scrollgrid-shrink')
    var largestWidth = 0
    for (var _i = 0, shrinkCells_1 = shrinkCells; _i < shrinkCells_1.length; _i++) {
      var shrinkCell = shrinkCells_1[_i]
      largestWidth = Math.max(largestWidth, computeSmallestCellWidth(shrinkCell))
    }
    return Math.ceil(largestWidth) // <table> elements work best with integers. round up to ensure contents fits
  }
  function getSectionHasLiquidHeight(props, sectionConfig) {
    return props.liquid && sectionConfig.liquid // does the section do liquid-height? (need to have whole scrollgrid liquid-height as well)
  }
  function getAllowYScrolling(props, sectionConfig) {
    return (
      sectionConfig.maxHeight != null || // if its possible for the height to max out, we might need scrollbars
      getSectionHasLiquidHeight(props, sectionConfig)
    ) // if the section is liquid height, it might condense enough to require scrollbars
  }
  // TODO: ONLY use `arg`. force out internal function to use same API
  function renderChunkContent(sectionConfig, chunkConfig, arg) {
    var expandRows = arg.expandRows
    var content =
      typeof chunkConfig.content === 'function'
        ? chunkConfig.content(arg)
        : createElement(
            'table',
            {
              className: [chunkConfig.tableClassName, sectionConfig.syncRowHeights ? 'fc-scrollgrid-sync-table' : ''].join(' '),
              style: {
                minWidth: arg.tableMinWidth,
                width: arg.clientWidth,
                height: expandRows ? arg.clientHeight : '',
              },
            },
            arg.tableColGroupNode,
            createElement('tbody', {}, typeof chunkConfig.rowContent === 'function' ? chunkConfig.rowContent(arg) : chunkConfig.rowContent)
          )
    return content
  }
  function isColPropsEqual(cols0, cols1) {
    return isArraysEqual(cols0, cols1, isPropsEqual)
  }
  function renderMicroColGroup(cols, shrinkWidth) {
    var colNodes = []
    /*
        for ColProps with spans, it would have been great to make a single <col span="">
        HOWEVER, Chrome was getting messing up distributing the width to <td>/<th> elements with colspans.
        SOLUTION: making individual <col> elements makes Chrome behave.
        */
    for (var _i = 0, cols_1 = cols; _i < cols_1.length; _i++) {
      var colProps = cols_1[_i]
      var span = colProps.span || 1
      for (var i = 0; i < span; i += 1) {
        colNodes.push(
          createElement('col', {
            style: {
              width: colProps.width === 'shrink' ? sanitizeShrinkWidth(shrinkWidth) : colProps.width || '',
              minWidth: colProps.minWidth || '',
            },
          })
        )
      }
    }
    return createElement.apply(void 0, __spreadArrays(['colgroup', {}], colNodes))
  }
  function sanitizeShrinkWidth(shrinkWidth) {
    /* why 4? if we do 0, it will kill any border, which are needed for computeSmallestCellWidth
        4 accounts for 2 2-pixel borders. TODO: better solution? */
    return shrinkWidth == null ? 4 : shrinkWidth
  }
  function hasShrinkWidth(cols) {
    for (var _i = 0, cols_2 = cols; _i < cols_2.length; _i++) {
      var col = cols_2[_i]
      if (col.width === 'shrink') {
        return true
      }
    }
    return false
  }
  function getScrollGridClassNames(liquid, context) {
    var classNames = ['fc-scrollgrid', context.theme.getClass('table')]
    if (liquid) {
      classNames.push('fc-scrollgrid-liquid')
    }
    return classNames
  }
  function getSectionClassNames(sectionConfig, wholeTableVGrow) {
    var classNames = ['fc-scrollgrid-section', 'fc-scrollgrid-section-' + sectionConfig.type, sectionConfig.className]
    if (wholeTableVGrow && sectionConfig.liquid && sectionConfig.maxHeight == null) {
      classNames.push('fc-scrollgrid-section-liquid')
    }
    if (sectionConfig.isSticky) {
      classNames.push('fc-scrollgrid-section-sticky')
    }
    return classNames
  }
  function renderScrollShim(arg) {
    return createElement('div', {
      className: 'fc-scrollgrid-sticky-shim',
      style: {
        width: arg.clientWidth,
        minWidth: arg.tableMinWidth,
      },
    })
  }
  function getStickyHeaderDates(options) {
    var stickyHeaderDates = options.stickyHeaderDates
    if (stickyHeaderDates == null || stickyHeaderDates === 'auto') {
      stickyHeaderDates = options.height === 'auto' || options.viewHeight === 'auto'
    }
    return stickyHeaderDates
  }
  function getStickyFooterScrollbar(options) {
    var stickyFooterScrollbar = options.stickyFooterScrollbar
    if (stickyFooterScrollbar == null || stickyFooterScrollbar === 'auto') {
      stickyFooterScrollbar = options.height === 'auto' || options.viewHeight === 'auto'
    }
    return stickyFooterScrollbar
  }

  var SimpleScrollGrid = /** @class */ (function (_super) {
    __extends(SimpleScrollGrid, _super)
    function SimpleScrollGrid() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this
      _this.processCols = memoize(function (a) {
        return a
      }, isColPropsEqual) // so we get same `cols` props every time
      // yucky to memoize VNodes, but much more efficient for consumers
      _this.renderMicroColGroup = memoize(renderMicroColGroup)
      _this.scrollerRefs = new RefMap()
      _this.scrollerElRefs = new RefMap(_this._handleScrollerEl.bind(_this))
      _this.state = {
        shrinkWidth: null,
        forceYScrollbars: false,
        scrollerClientWidths: {},
        scrollerClientHeights: {},
      }
      // TODO: can do a really simple print-view. dont need to join rows
      _this.handleSizing = function () {
        _this.setState(__assign({ shrinkWidth: _this.computeShrinkWidth() }, _this.computeScrollerDims()))
      }
      return _this
    }
    SimpleScrollGrid.prototype.render = function () {
      var _a = this,
        props = _a.props,
        state = _a.state,
        context = _a.context
      var sectionConfigs = props.sections || []
      var cols = this.processCols(props.cols)
      var microColGroupNode = this.renderMicroColGroup(cols, state.shrinkWidth)
      var classNames = getScrollGridClassNames(props.liquid, context)
      // TODO: make DRY
      var configCnt = sectionConfigs.length
      var configI = 0
      var currentConfig
      var headSectionNodes = []
      var bodySectionNodes = []
      var footSectionNodes = []
      while (configI < configCnt && (currentConfig = sectionConfigs[configI]).type === 'header') {
        headSectionNodes.push(this.renderSection(currentConfig, configI, microColGroupNode))
        configI += 1
      }
      while (configI < configCnt && (currentConfig = sectionConfigs[configI]).type === 'body') {
        bodySectionNodes.push(this.renderSection(currentConfig, configI, microColGroupNode))
        configI += 1
      }
      while (configI < configCnt && (currentConfig = sectionConfigs[configI]).type === 'footer') {
        footSectionNodes.push(this.renderSection(currentConfig, configI, microColGroupNode))
        configI += 1
      }
      // firefox bug: when setting height on table and there is a thead or tfoot,
      // the necessary height:100% on the liquid-height body section forces the *whole* table to be taller. (bug #5524)
      // use getCanVGrowWithinCell as a way to detect table-stupid firefox.
      // if so, use a simpler dom structure, jam everything into a lone tbody.
      var isBuggy = !getCanVGrowWithinCell()
      return createElement(
        'table',
        {
          className: classNames.join(' '),
          style: { height: props.height },
        },
        Boolean(!isBuggy && headSectionNodes.length) && createElement.apply(void 0, __spreadArrays(['thead', {}], headSectionNodes)),
        Boolean(!isBuggy && bodySectionNodes.length) && createElement.apply(void 0, __spreadArrays(['tbody', {}], bodySectionNodes)),
        Boolean(!isBuggy && footSectionNodes.length) && createElement.apply(void 0, __spreadArrays(['tfoot', {}], footSectionNodes)),
        isBuggy && createElement.apply(void 0, __spreadArrays(['tbody', {}], headSectionNodes, bodySectionNodes, footSectionNodes))
      )
    }
    SimpleScrollGrid.prototype.renderSection = function (sectionConfig, sectionI, microColGroupNode) {
      if ('outerContent' in sectionConfig) {
        return createElement(Fragment, { key: sectionConfig.key }, sectionConfig.outerContent)
      }
      return createElement(
        'tr',
        {
          key: sectionConfig.key,
          className: getSectionClassNames(sectionConfig, this.props.liquid).join(' '),
        },
        this.renderChunkTd(sectionConfig, sectionI, microColGroupNode, sectionConfig.chunk)
      )
    }
    SimpleScrollGrid.prototype.renderChunkTd = function (sectionConfig, sectionI, microColGroupNode, chunkConfig) {
      if ('outerContent' in chunkConfig) {
        return chunkConfig.outerContent
      }
      var props = this.props
      var _a = this.state,
        forceYScrollbars = _a.forceYScrollbars,
        scrollerClientWidths = _a.scrollerClientWidths,
        scrollerClientHeights = _a.scrollerClientHeights
      var needsYScrolling = getAllowYScrolling(props, sectionConfig) // TODO: do lazily. do in section config?
      var isLiquid = getSectionHasLiquidHeight(props, sectionConfig)
      // for `!props.liquid` - is WHOLE scrollgrid natural height?
      // TODO: do same thing in advanced scrollgrid? prolly not b/c always has horizontal scrollbars
      var overflowY = !props.liquid ? 'visible' : forceYScrollbars ? 'scroll' : !needsYScrolling ? 'hidden' : 'auto'
      var content = renderChunkContent(sectionConfig, chunkConfig, {
        tableColGroupNode: microColGroupNode,
        tableMinWidth: '',
        clientWidth: scrollerClientWidths[sectionI] !== undefined ? scrollerClientWidths[sectionI] : null,
        clientHeight: scrollerClientHeights[sectionI] !== undefined ? scrollerClientHeights[sectionI] : null,
        expandRows: sectionConfig.expandRows,
        syncRowHeights: false,
        rowSyncHeights: [],
        reportRowHeightChange: function () {},
      })
      return createElement(
        'td',
        { ref: chunkConfig.elRef },
        createElement(
          'div',
          {
            className: 'fc-scroller-harness' + (isLiquid ? ' fc-scroller-harness-liquid' : ''),
          },
          createElement(
            Scroller,
            {
              ref: this.scrollerRefs.createRef(sectionI),
              elRef: this.scrollerElRefs.createRef(sectionI),
              overflowY: overflowY,
              overflowX: !props.liquid ? 'visible' : 'hidden' /* natural height? */,
              maxHeight: sectionConfig.maxHeight,
              liquid: isLiquid,
              // because its within a harness
              liquidIsAbsolute: true,
            },
            content
          )
        )
      )
    }
    SimpleScrollGrid.prototype._handleScrollerEl = function (scrollerEl, key) {
      var sectionI = parseInt(key, 10)
      var chunkConfig = this.props.sections[sectionI].chunk
      setRef(chunkConfig.scrollerElRef, scrollerEl)
    }
    SimpleScrollGrid.prototype.componentDidMount = function () {
      this.handleSizing()
      this.context.addResizeHandler(this.handleSizing)
    }
    SimpleScrollGrid.prototype.componentDidUpdate = function () {
      // TODO: need better solution when state contains non-sizing things
      this.handleSizing()
    }
    SimpleScrollGrid.prototype.componentWillUnmount = function () {
      this.context.removeResizeHandler(this.handleSizing)
    }
    SimpleScrollGrid.prototype.computeShrinkWidth = function () {
      return hasShrinkWidth(this.props.cols) ? computeShrinkWidth(this.scrollerElRefs.getAll()) : 0
    }
    SimpleScrollGrid.prototype.computeScrollerDims = function () {
      var scrollbarWidth = getScrollbarWidths()
      var sectionCnt = this.props.sections.length
      var _a = this,
        scrollerRefs = _a.scrollerRefs,
        scrollerElRefs = _a.scrollerElRefs
      var forceYScrollbars = false
      var scrollerClientWidths = {}
      var scrollerClientHeights = {}
      for (var sectionI = 0; sectionI < sectionCnt; sectionI += 1) {
        // along edge
        var scroller = scrollerRefs.currentMap[sectionI]
        if (scroller && scroller.needsYScrolling()) {
          forceYScrollbars = true
          break
        }
      }
      for (var sectionI = 0; sectionI < sectionCnt; sectionI += 1) {
        // along edge
        var scrollerEl = scrollerElRefs.currentMap[sectionI]
        if (scrollerEl) {
          var harnessEl = scrollerEl.parentNode // TODO: weird way to get this. need harness b/c doesn't include table borders
          scrollerClientWidths[sectionI] = Math.floor(
            harnessEl.getBoundingClientRect().width -
              (forceYScrollbars
                ? scrollbarWidth.y // use global because scroller might not have scrollbars yet but will need them in future
                : 0)
          )
          scrollerClientHeights[sectionI] = Math.floor(harnessEl.getBoundingClientRect().height)
        }
      }
      return {
        forceYScrollbars: forceYScrollbars,
        scrollerClientWidths: scrollerClientWidths,
        scrollerClientHeights: scrollerClientHeights,
      }
    }
    return SimpleScrollGrid
  })(BaseComponent)
  SimpleScrollGrid.addStateEquality({
    scrollerClientWidths: isPropsEqual,
    scrollerClientHeights: isPropsEqual,
  })

  var EventRoot = /** @class */ (function (_super) {
    __extends(EventRoot, _super)
    function EventRoot() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this
      _this.elRef = createRef()
      return _this
    }
    EventRoot.prototype.render = function () {
      var _a = this,
        props = _a.props,
        context = _a.context
      var options = context.options
      var seg = props.seg
      var eventRange = seg.eventRange
      var ui = eventRange.ui
      var hookProps = {
        event: new EventApi(context, eventRange.def, eventRange.instance),
        view: context.viewApi,
        timeText: props.timeText,
        textColor: ui.textColor,
        backgroundColor: ui.backgroundColor,
        borderColor: ui.borderColor,
        isDraggable: !props.disableDragging && computeSegDraggable(seg, context),
        isStartResizable: !props.disableResizing && computeSegStartResizable(seg, context),
        isEndResizable: !props.disableResizing && computeSegEndResizable(seg),
        isMirror: Boolean(props.isDragging || props.isResizing || props.isDateSelecting),
        isStart: Boolean(seg.isStart),
        isEnd: Boolean(seg.isEnd),
        isPast: Boolean(props.isPast),
        isFuture: Boolean(props.isFuture),
        isToday: Boolean(props.isToday),
        isSelected: Boolean(props.isSelected),
        isDragging: Boolean(props.isDragging),
        isResizing: Boolean(props.isResizing),
      }
      var standardClassNames = getEventClassNames(hookProps).concat(ui.classNames)
      return createElement(
        RenderHook,
        {
          hookProps: hookProps,
          classNames: options.eventClassNames,
          content: options.eventContent,
          defaultContent: props.defaultContent,
          didMount: options.eventDidMount,
          willUnmount: options.eventWillUnmount,
          elRef: this.elRef,
        },
        function (rootElRef, customClassNames, innerElRef, innerContent) {
          return props.children(rootElRef, standardClassNames.concat(customClassNames), innerElRef, innerContent, hookProps)
        }
      )
    }
    EventRoot.prototype.componentDidMount = function () {
      setElSeg(this.elRef.current, this.props.seg)
    }
    /*
        need to re-assign seg to the element if seg changes, even if the element is the same
        */
    EventRoot.prototype.componentDidUpdate = function (prevProps) {
      var seg = this.props.seg
      if (seg !== prevProps.seg) {
        setElSeg(this.elRef.current, seg)
      }
    }
    return EventRoot
  })(BaseComponent)

  // should not be a purecomponent
  var StandardEvent = /** @class */ (function (_super) {
    __extends(StandardEvent, _super)
    function StandardEvent() {
      return (_super !== null && _super.apply(this, arguments)) || this
    }
    StandardEvent.prototype.render = function () {
      var _a = this,
        props = _a.props,
        context = _a.context
      var seg = props.seg
      var timeFormat = context.options.eventTimeFormat || props.defaultTimeFormat
      var timeText = buildSegTimeText(seg, timeFormat, context, props.defaultDisplayEventTime, props.defaultDisplayEventEnd)
      return createElement(
        EventRoot,
        {
          seg: seg,
          timeText: timeText,
          disableDragging: props.disableDragging,
          disableResizing: props.disableResizing,
          defaultContent: props.defaultContent || renderInnerContent,
          isDragging: props.isDragging,
          isResizing: props.isResizing,
          isDateSelecting: props.isDateSelecting,
          isSelected: props.isSelected,
          isPast: props.isPast,
          isFuture: props.isFuture,
          isToday: props.isToday,
        },
        function (rootElRef, classNames, innerElRef, innerContent, hookProps) {
          return createElement(
            'a',
            __assign(
              {
                className: props.extraClassNames.concat(classNames).join(' '),
                style: {
                  borderColor: hookProps.borderColor,
                  backgroundColor: hookProps.backgroundColor,
                },
                ref: rootElRef,
              },
              getSegAnchorAttrs(seg)
            ),
            createElement(
              'div',
              {
                className: 'fc-event-main',
                ref: innerElRef,
                style: { color: hookProps.textColor },
              },
              innerContent
            ),
            hookProps.isStartResizable &&
              createElement('div', {
                className: 'fc-event-resizer fc-event-resizer-start',
              }),
            hookProps.isEndResizable &&
              createElement('div', {
                className: 'fc-event-resizer fc-event-resizer-end',
              })
          )
        }
      )
    }
    return StandardEvent
  })(BaseComponent)
  function renderInnerContent(innerProps) {
    return createElement(
      'div',
      { className: 'fc-event-main-frame' },
      innerProps.timeText && createElement('div', { className: 'fc-event-time' }, innerProps.timeText),
      createElement(
        'div',
        { className: 'fc-event-title-container' },
        createElement('div', { className: 'fc-event-title fc-sticky' }, innerProps.event.title || createElement(Fragment, null, '\u00A0'))
      )
    )
  }
  function getSegAnchorAttrs(seg) {
    var url = seg.eventRange.def.url
    return url ? { href: url } : {}
  }

  var NowIndicatorRoot = function (props) {
    return createElement(ViewContextType.Consumer, null, function (context) {
      var options = context.options
      var hookProps = {
        isAxis: props.isAxis,
        date: context.dateEnv.toDate(props.date),
        view: context.viewApi,
      }
      return createElement(
        RenderHook,
        {
          hookProps: hookProps,
          classNames: options.nowIndicatorClassNames,
          content: options.nowIndicatorContent,
          didMount: options.nowIndicatorDidMount,
          willUnmount: options.nowIndicatorWillUnmount,
        },
        props.children
      )
    })
  }

  var DAY_NUM_FORMAT = createFormatter({ day: 'numeric' })
  var DayCellContent = /** @class */ (function (_super) {
    __extends(DayCellContent, _super)
    function DayCellContent() {
      return (_super !== null && _super.apply(this, arguments)) || this
    }
    DayCellContent.prototype.render = function () {
      var _a = this,
        props = _a.props,
        context = _a.context
      var options = context.options
      var hookProps = refineDayCellHookProps({
        date: props.date,
        dateProfile: props.dateProfile,
        todayRange: props.todayRange,
        showDayNumber: props.showDayNumber,
        extraProps: props.extraHookProps,
        viewApi: context.viewApi,
        dateEnv: context.dateEnv,
      })
      return createElement(
        ContentHook,
        {
          hookProps: hookProps,
          content: options.dayCellContent,
          defaultContent: props.defaultContent,
        },
        props.children
      )
    }
    return DayCellContent
  })(BaseComponent)
  function refineDayCellHookProps(raw) {
    var date = raw.date,
      dateEnv = raw.dateEnv
    var dayMeta = getDateMeta(date, raw.todayRange, null, raw.dateProfile)
    return __assign(
      __assign(__assign({ date: dateEnv.toDate(date), view: raw.viewApi }, dayMeta), {
        dayNumberText: raw.showDayNumber ? dateEnv.format(date, DAY_NUM_FORMAT) : '',
      }),
      raw.extraProps
    )
  }

  var DayCellRoot = /** @class */ (function (_super) {
    __extends(DayCellRoot, _super)
    function DayCellRoot() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this
      _this.refineHookProps = memoizeObjArg(refineDayCellHookProps)
      _this.normalizeClassNames = buildClassNameNormalizer()
      return _this
    }
    DayCellRoot.prototype.render = function () {
      var _a = this,
        props = _a.props,
        context = _a.context
      var options = context.options
      var hookProps = this.refineHookProps({
        date: props.date,
        dateProfile: props.dateProfile,
        todayRange: props.todayRange,
        showDayNumber: props.showDayNumber,
        extraProps: props.extraHookProps,
        viewApi: context.viewApi,
        dateEnv: context.dateEnv,
      })
      var classNames = getDayClassNames(hookProps, context.theme).concat(
        hookProps.isDisabled
          ? [] // don't use custom classNames if disabled
          : this.normalizeClassNames(options.dayCellClassNames, hookProps)
      )
      var dataAttrs = hookProps.isDisabled
        ? {}
        : {
            'data-date': formatDayString(props.date),
          }
      return createElement(
        MountHook,
        {
          hookProps: hookProps,
          didMount: options.dayCellDidMount,
          willUnmount: options.dayCellWillUnmount,
          elRef: props.elRef,
        },
        function (rootElRef) {
          return props.children(rootElRef, classNames, dataAttrs, hookProps.isDisabled)
        }
      )
    }
    return DayCellRoot
  })(BaseComponent)

  function renderFill(fillType) {
    return createElement('div', { className: 'fc-' + fillType })
  }
  var BgEvent = function (props) {
    return createElement(
      EventRoot,
      {
        defaultContent: renderInnerContent$1,
        seg: props.seg /* uselesss i think */,
        timeText: '',
        disableDragging: true,
        disableResizing: true,
        isDragging: false,
        isResizing: false,
        isDateSelecting: false,
        isSelected: false,
        isPast: props.isPast,
        isFuture: props.isFuture,
        isToday: props.isToday,
      },
      function (rootElRef, classNames, innerElRef, innerContent, hookProps) {
        return createElement(
          'div',
          {
            ref: rootElRef,
            className: ['fc-bg-event'].concat(classNames).join(' '),
            style: {
              backgroundColor: hookProps.backgroundColor,
            },
          },
          innerContent
        )
      }
    )
  }
  function renderInnerContent$1(props) {
    var title = props.event.title
    return title && createElement('div', { className: 'fc-event-title' }, props.event.title)
  }

  var WeekNumberRoot = function (props) {
    return createElement(ViewContextType.Consumer, null, function (context) {
      var dateEnv = context.dateEnv,
        options = context.options
      var date = props.date
      var format = options.weekNumberFormat || props.defaultFormat
      var num = dateEnv.computeWeekNumber(date) // TODO: somehow use for formatting as well?
      var text = dateEnv.format(date, format)
      var hookProps = { num: num, text: text, date: date }
      return createElement(
        RenderHook,
        {
          hookProps: hookProps,
          classNames: options.weekNumberClassNames,
          content: options.weekNumberContent,
          defaultContent: renderInner$1,
          didMount: options.weekNumberDidMount,
          willUnmount: options.weekNumberWillUnmount,
        },
        props.children
      )
    })
  }
  function renderInner$1(innerProps) {
    return innerProps.text
  }

  // exports
  // --------------------------------------------------------------------------------------------------
  var version = '5.5.0' // important to type it, so .d.ts has generic string

  var Calendar = /** @class */ (function (_super) {
    __extends(Calendar, _super)
    function Calendar(el, optionOverrides) {
      if (optionOverrides === void 0) {
        optionOverrides = {}
      }
      var _this = _super.call(this) || this
      _this.isRendering = false
      _this.isRendered = false
      _this.currentClassNames = []
      _this.customContentRenderId = 0 // will affect custom generated classNames?
      _this.handleAction = function (action) {
        // actions we know we want to render immediately
        switch (action.type) {
          case 'SET_EVENT_DRAG':
          case 'SET_EVENT_RESIZE':
            _this.renderRunner.tryDrain()
        }
      }
      _this.handleData = function (data) {
        _this.currentData = data
        _this.renderRunner.request(data.calendarOptions.rerenderDelay)
      }
      _this.handleRenderRequest = function () {
        if (_this.isRendering) {
          _this.isRendered = true
          var currentData_1 = _this.currentData
          render(
            createElement(
              CalendarRoot,
              {
                options: currentData_1.calendarOptions,
                theme: currentData_1.theme,
                emitter: currentData_1.emitter,
              },
              function (classNames, height, isHeightAuto, forPrint) {
                _this.setClassNames(classNames)
                _this.setHeight(height)
                return createElement(
                  CustomContentRenderContext.Provider,
                  { value: _this.customContentRenderId },
                  createElement(CalendarContent, __assign({ isHeightAuto: isHeightAuto, forPrint: forPrint }, currentData_1))
                )
              }
            ),
            _this.el
          )
        } else if (_this.isRendered) {
          _this.isRendered = false
          unmountComponentAtNode$1(_this.el)
          _this.setClassNames([])
          _this.setHeight('')
        }
        flushToDom$1()
      }
      _this.el = el
      _this.renderRunner = new DelayedRunner(_this.handleRenderRequest)
      new CalendarDataManager({
        optionOverrides: optionOverrides,
        calendarApi: _this,
        onAction: _this.handleAction,
        onData: _this.handleData,
      })
      return _this
    }
    Object.defineProperty(Calendar.prototype, 'view', {
      get: function () {
        return this.currentData.viewApi
      }, // for public API
      enumerable: false,
      configurable: true,
    })
    Calendar.prototype.render = function () {
      var wasRendering = this.isRendering
      if (!wasRendering) {
        this.isRendering = true
      } else {
        this.customContentRenderId += 1
      }
      this.renderRunner.request()
      if (wasRendering) {
        this.updateSize()
      }
    }
    Calendar.prototype.destroy = function () {
      if (this.isRendering) {
        this.isRendering = false
        this.renderRunner.request()
      }
    }
    Calendar.prototype.updateSize = function () {
      _super.prototype.updateSize.call(this)
      flushToDom$1()
    }
    Calendar.prototype.batchRendering = function (func) {
      this.renderRunner.pause('batchRendering')
      func()
      this.renderRunner.resume('batchRendering')
    }
    Calendar.prototype.pauseRendering = function () {
      this.renderRunner.pause('pauseRendering')
    }
    Calendar.prototype.resumeRendering = function () {
      this.renderRunner.resume('pauseRendering', true)
    }
    Calendar.prototype.resetOptions = function (optionOverrides, append) {
      this.currentDataManager.resetOptions(optionOverrides, append)
    }
    Calendar.prototype.setClassNames = function (classNames) {
      if (!isArraysEqual(classNames, this.currentClassNames)) {
        var classList = this.el.classList
        for (var _i = 0, _a = this.currentClassNames; _i < _a.length; _i++) {
          var className = _a[_i]
          classList.remove(className)
        }
        for (var _b = 0, classNames_1 = classNames; _b < classNames_1.length; _b++) {
          var className = classNames_1[_b]
          classList.add(className)
        }
        this.currentClassNames = classNames
      }
    }
    Calendar.prototype.setHeight = function (height) {
      applyStyleProp(this.el, 'height', height)
    }
    return Calendar
  })(CalendarApi)

  config.touchMouseIgnoreWait = 500
  var ignoreMouseDepth = 0
  var listenerCnt = 0
  var isWindowTouchMoveCancelled = false
  /*
    Uses a "pointer" abstraction, which monitors UI events for both mouse and touch.
    Tracks when the pointer "drags" on a certain element, meaning down+move+up.

    Also, tracks if there was touch-scrolling.
    Also, can prevent touch-scrolling from happening.
    Also, can fire pointermove events when scrolling happens underneath, even when no real pointer movement.

    emits:
    - pointerdown
    - pointermove
    - pointerup
    */
  var PointerDragging = /** @class */ (function () {
    function PointerDragging(containerEl) {
      var _this = this
      this.subjectEl = null
      // options that can be directly assigned by caller
      this.selector = '' // will cause subjectEl in all emitted events to be this element
      this.handleSelector = ''
      this.shouldIgnoreMove = false
      this.shouldWatchScroll = true // for simulating pointermove on scroll
      // internal states
      this.isDragging = false
      this.isTouchDragging = false
      this.wasTouchScroll = false
      // Mouse
      // ----------------------------------------------------------------------------------------------------
      this.handleMouseDown = function (ev) {
        if (!_this.shouldIgnoreMouse() && isPrimaryMouseButton(ev) && _this.tryStart(ev)) {
          var pev = _this.createEventFromMouse(ev, true)
          _this.emitter.trigger('pointerdown', pev)
          _this.initScrollWatch(pev)
          if (!_this.shouldIgnoreMove) {
            document.addEventListener('mousemove', _this.handleMouseMove)
          }
          document.addEventListener('mouseup', _this.handleMouseUp)
        }
      }
      this.handleMouseMove = function (ev) {
        var pev = _this.createEventFromMouse(ev)
        _this.recordCoords(pev)
        _this.emitter.trigger('pointermove', pev)
      }
      this.handleMouseUp = function (ev) {
        document.removeEventListener('mousemove', _this.handleMouseMove)
        document.removeEventListener('mouseup', _this.handleMouseUp)
        _this.emitter.trigger('pointerup', _this.createEventFromMouse(ev))
        _this.cleanup() // call last so that pointerup has access to props
      }
      // Touch
      // ----------------------------------------------------------------------------------------------------
      this.handleTouchStart = function (ev) {
        if (_this.tryStart(ev)) {
          _this.isTouchDragging = true
          var pev = _this.createEventFromTouch(ev, true)
          _this.emitter.trigger('pointerdown', pev)
          _this.initScrollWatch(pev)
          // unlike mouse, need to attach to target, not document
          // https://stackoverflow.com/a/45760014
          var targetEl = ev.target
          if (!_this.shouldIgnoreMove) {
            targetEl.addEventListener('touchmove', _this.handleTouchMove)
          }
          targetEl.addEventListener('touchend', _this.handleTouchEnd)
          targetEl.addEventListener('touchcancel', _this.handleTouchEnd) // treat it as a touch end
          // attach a handler to get called when ANY scroll action happens on the page.
          // this was impossible to do with normal on/off because 'scroll' doesn't bubble.
          // http://stackoverflow.com/a/32954565/96342
          window.addEventListener('scroll', _this.handleTouchScroll, true)
        }
      }
      this.handleTouchMove = function (ev) {
        var pev = _this.createEventFromTouch(ev)
        _this.recordCoords(pev)
        _this.emitter.trigger('pointermove', pev)
      }
      this.handleTouchEnd = function (ev) {
        if (_this.isDragging) {
          // done to guard against touchend followed by touchcancel
          var targetEl = ev.target
          targetEl.removeEventListener('touchmove', _this.handleTouchMove)
          targetEl.removeEventListener('touchend', _this.handleTouchEnd)
          targetEl.removeEventListener('touchcancel', _this.handleTouchEnd)
          window.removeEventListener('scroll', _this.handleTouchScroll, true) // useCaptured=true
          _this.emitter.trigger('pointerup', _this.createEventFromTouch(ev))
          _this.cleanup() // call last so that pointerup has access to props
          _this.isTouchDragging = false
          startIgnoringMouse()
        }
      }
      this.handleTouchScroll = function () {
        _this.wasTouchScroll = true
      }
      this.handleScroll = function (ev) {
        if (!_this.shouldIgnoreMove) {
          var pageX = window.pageXOffset - _this.prevScrollX + _this.prevPageX
          var pageY = window.pageYOffset - _this.prevScrollY + _this.prevPageY
          _this.emitter.trigger('pointermove', {
            origEvent: ev,
            isTouch: _this.isTouchDragging,
            subjectEl: _this.subjectEl,
            pageX: pageX,
            pageY: pageY,
            deltaX: pageX - _this.origPageX,
            deltaY: pageY - _this.origPageY,
          })
        }
      }
      this.containerEl = containerEl
      this.emitter = new Emitter()
      containerEl.addEventListener('mousedown', this.handleMouseDown)
      containerEl.addEventListener('touchstart', this.handleTouchStart, {
        passive: true,
      })
      listenerCreated()
    }
    PointerDragging.prototype.destroy = function () {
      this.containerEl.removeEventListener('mousedown', this.handleMouseDown)
      this.containerEl.removeEventListener('touchstart', this.handleTouchStart, { passive: true })
      listenerDestroyed()
    }
    PointerDragging.prototype.tryStart = function (ev) {
      var subjectEl = this.querySubjectEl(ev)
      var downEl = ev.target
      if (subjectEl && (!this.handleSelector || elementClosest(downEl, this.handleSelector))) {
        this.subjectEl = subjectEl
        this.isDragging = true // do this first so cancelTouchScroll will work
        this.wasTouchScroll = false
        return true
      }
      return false
    }
    PointerDragging.prototype.cleanup = function () {
      isWindowTouchMoveCancelled = false
      this.isDragging = false
      this.subjectEl = null
      // keep wasTouchScroll around for later access
      this.destroyScrollWatch()
    }
    PointerDragging.prototype.querySubjectEl = function (ev) {
      if (this.selector) {
        return elementClosest(ev.target, this.selector)
      }
      return this.containerEl
    }
    PointerDragging.prototype.shouldIgnoreMouse = function () {
      return ignoreMouseDepth || this.isTouchDragging
    }
    // can be called by user of this class, to cancel touch-based scrolling for the current drag
    PointerDragging.prototype.cancelTouchScroll = function () {
      if (this.isDragging) {
        isWindowTouchMoveCancelled = true
      }
    }
    // Scrolling that simulates pointermoves
    // ----------------------------------------------------------------------------------------------------
    PointerDragging.prototype.initScrollWatch = function (ev) {
      if (this.shouldWatchScroll) {
        this.recordCoords(ev)
        window.addEventListener('scroll', this.handleScroll, true) // useCapture=true
      }
    }
    PointerDragging.prototype.recordCoords = function (ev) {
      if (this.shouldWatchScroll) {
        this.prevPageX = ev.pageX
        this.prevPageY = ev.pageY
        this.prevScrollX = window.pageXOffset
        this.prevScrollY = window.pageYOffset
      }
    }
    PointerDragging.prototype.destroyScrollWatch = function () {
      if (this.shouldWatchScroll) {
        window.removeEventListener('scroll', this.handleScroll, true) // useCaptured=true
      }
    }
    // Event Normalization
    // ----------------------------------------------------------------------------------------------------
    PointerDragging.prototype.createEventFromMouse = function (ev, isFirst) {
      var deltaX = 0
      var deltaY = 0
      // TODO: repeat code
      if (isFirst) {
        this.origPageX = ev.pageX
        this.origPageY = ev.pageY
      } else {
        deltaX = ev.pageX - this.origPageX
        deltaY = ev.pageY - this.origPageY
      }
      return {
        origEvent: ev,
        isTouch: false,
        subjectEl: this.subjectEl,
        pageX: ev.pageX,
        pageY: ev.pageY,
        deltaX: deltaX,
        deltaY: deltaY,
      }
    }
    PointerDragging.prototype.createEventFromTouch = function (ev, isFirst) {
      var touches = ev.touches
      var pageX
      var pageY
      var deltaX = 0
      var deltaY = 0
      // if touch coords available, prefer,
      // because FF would give bad ev.pageX ev.pageY
      if (touches && touches.length) {
        pageX = touches[0].pageX
        pageY = touches[0].pageY
      } else {
        pageX = ev.pageX
        pageY = ev.pageY
      }
      // TODO: repeat code
      if (isFirst) {
        this.origPageX = pageX
        this.origPageY = pageY
      } else {
        deltaX = pageX - this.origPageX
        deltaY = pageY - this.origPageY
      }
      return {
        origEvent: ev,
        isTouch: true,
        subjectEl: this.subjectEl,
        pageX: pageX,
        pageY: pageY,
        deltaX: deltaX,
        deltaY: deltaY,
      }
    }
    return PointerDragging
  })()
  // Returns a boolean whether this was a left mouse click and no ctrl key (which means right click on Mac)
  function isPrimaryMouseButton(ev) {
    return ev.button === 0 && !ev.ctrlKey
  }
  // Ignoring fake mouse events generated by touch
  // ----------------------------------------------------------------------------------------------------
  function startIgnoringMouse() {
    ignoreMouseDepth += 1
    setTimeout(function () {
      ignoreMouseDepth -= 1
    }, config.touchMouseIgnoreWait)
  }
  // We want to attach touchmove as early as possible for Safari
  // ----------------------------------------------------------------------------------------------------
  function listenerCreated() {
    listenerCnt += 1
    if (listenerCnt === 1) {
      window.addEventListener('touchmove', onWindowTouchMove, {
        passive: false,
      })
    }
  }
  function listenerDestroyed() {
    listenerCnt -= 1
    if (!listenerCnt) {
      window.removeEventListener('touchmove', onWindowTouchMove, {
        passive: false,
      })
    }
  }
  function onWindowTouchMove(ev) {
    if (isWindowTouchMoveCancelled) {
      ev.preventDefault()
    }
  }

  /*
    An effect in which an element follows the movement of a pointer across the screen.
    The moving element is a clone of some other element.
    Must call start + handleMove + stop.
    */
  var ElementMirror = /** @class */ (function () {
    function ElementMirror() {
      this.isVisible = false // must be explicitly enabled
      this.sourceEl = null
      this.mirrorEl = null
      this.sourceElRect = null // screen coords relative to viewport
      // options that can be set directly by caller
      this.parentNode = document.body
      this.zIndex = 9999
      this.revertDuration = 0
    }
    ElementMirror.prototype.start = function (sourceEl, pageX, pageY) {
      this.sourceEl = sourceEl
      this.sourceElRect = this.sourceEl.getBoundingClientRect()
      this.origScreenX = pageX - window.pageXOffset
      this.origScreenY = pageY - window.pageYOffset
      this.deltaX = 0
      this.deltaY = 0
      this.updateElPosition()
    }
    ElementMirror.prototype.handleMove = function (pageX, pageY) {
      this.deltaX = pageX - window.pageXOffset - this.origScreenX
      this.deltaY = pageY - window.pageYOffset - this.origScreenY
      this.updateElPosition()
    }
    // can be called before start
    ElementMirror.prototype.setIsVisible = function (bool) {
      if (bool) {
        if (!this.isVisible) {
          if (this.mirrorEl) {
            this.mirrorEl.style.display = ''
          }
          this.isVisible = bool // needs to happen before updateElPosition
          this.updateElPosition() // because was not updating the position while invisible
        }
      } else if (this.isVisible) {
        if (this.mirrorEl) {
          this.mirrorEl.style.display = 'none'
        }
        this.isVisible = bool
      }
    }
    // always async
    ElementMirror.prototype.stop = function (needsRevertAnimation, callback) {
      var _this = this
      var done = function () {
        _this.cleanup()
        callback()
      }
      if (
        needsRevertAnimation &&
        this.mirrorEl &&
        this.isVisible &&
        this.revertDuration && // if 0, transition won't work
        (this.deltaX || this.deltaY) // if same coords, transition won't work
      ) {
        this.doRevertAnimation(done, this.revertDuration)
      } else {
        setTimeout(done, 0)
      }
    }
    ElementMirror.prototype.doRevertAnimation = function (callback, revertDuration) {
      var mirrorEl = this.mirrorEl
      var finalSourceElRect = this.sourceEl.getBoundingClientRect() // because autoscrolling might have happened
      mirrorEl.style.transition = 'top ' + revertDuration + 'ms,' + 'left ' + revertDuration + 'ms'
      applyStyle(mirrorEl, {
        left: finalSourceElRect.left,
        top: finalSourceElRect.top,
      })
      whenTransitionDone(mirrorEl, function () {
        mirrorEl.style.transition = ''
        callback()
      })
    }
    ElementMirror.prototype.cleanup = function () {
      if (this.mirrorEl) {
        removeElement(this.mirrorEl)
        this.mirrorEl = null
      }
      this.sourceEl = null
    }
    ElementMirror.prototype.updateElPosition = function () {
      if (this.sourceEl && this.isVisible) {
        applyStyle(this.getMirrorEl(), {
          left: this.sourceElRect.left + this.deltaX,
          top: this.sourceElRect.top + this.deltaY,
        })
      }
    }
    ElementMirror.prototype.getMirrorEl = function () {
      var sourceElRect = this.sourceElRect
      var mirrorEl = this.mirrorEl
      if (!mirrorEl) {
        mirrorEl = this.mirrorEl = this.sourceEl.cloneNode(true) // cloneChildren=true
        // we don't want long taps or any mouse interaction causing selection/menus.
        // would use preventSelection(), but that prevents selectstart, causing problems.
        mirrorEl.classList.add('fc-unselectable')
        mirrorEl.classList.add('fc-event-dragging')
        applyStyle(mirrorEl, {
          position: 'fixed',
          zIndex: this.zIndex,
          visibility: '',
          boxSizing: 'border-box',
          width: sourceElRect.right - sourceElRect.left,
          height: sourceElRect.bottom - sourceElRect.top,
          right: 'auto',
          bottom: 'auto',
          margin: 0,
        })
        this.parentNode.appendChild(mirrorEl)
      }
      return mirrorEl
    }
    return ElementMirror
  })()

  /*
    Is a cache for a given element's scroll information (all the info that ScrollController stores)
    in addition the "client rectangle" of the element.. the area within the scrollbars.

    The cache can be in one of two modes:
    - doesListening:false - ignores when the container is scrolled by someone else
    - doesListening:true - watch for scrolling and update the cache
    */
  var ScrollGeomCache = /** @class */ (function (_super) {
    __extends(ScrollGeomCache, _super)
    function ScrollGeomCache(scrollController, doesListening) {
      var _this = _super.call(this) || this
      _this.handleScroll = function () {
        _this.scrollTop = _this.scrollController.getScrollTop()
        _this.scrollLeft = _this.scrollController.getScrollLeft()
        _this.handleScrollChange()
      }
      _this.scrollController = scrollController
      _this.doesListening = doesListening
      _this.scrollTop = _this.origScrollTop = scrollController.getScrollTop()
      _this.scrollLeft = _this.origScrollLeft = scrollController.getScrollLeft()
      _this.scrollWidth = scrollController.getScrollWidth()
      _this.scrollHeight = scrollController.getScrollHeight()
      _this.clientWidth = scrollController.getClientWidth()
      _this.clientHeight = scrollController.getClientHeight()
      _this.clientRect = _this.computeClientRect() // do last in case it needs cached values
      if (_this.doesListening) {
        _this.getEventTarget().addEventListener('scroll', _this.handleScroll)
      }
      return _this
    }
    ScrollGeomCache.prototype.destroy = function () {
      if (this.doesListening) {
        this.getEventTarget().removeEventListener('scroll', this.handleScroll)
      }
    }
    ScrollGeomCache.prototype.getScrollTop = function () {
      return this.scrollTop
    }
    ScrollGeomCache.prototype.getScrollLeft = function () {
      return this.scrollLeft
    }
    ScrollGeomCache.prototype.setScrollTop = function (top) {
      this.scrollController.setScrollTop(top)
      if (!this.doesListening) {
        // we are not relying on the element to normalize out-of-bounds scroll values
        // so we need to sanitize ourselves
        this.scrollTop = Math.max(Math.min(top, this.getMaxScrollTop()), 0)
        this.handleScrollChange()
      }
    }
    ScrollGeomCache.prototype.setScrollLeft = function (top) {
      this.scrollController.setScrollLeft(top)
      if (!this.doesListening) {
        // we are not relying on the element to normalize out-of-bounds scroll values
        // so we need to sanitize ourselves
        this.scrollLeft = Math.max(Math.min(top, this.getMaxScrollLeft()), 0)
        this.handleScrollChange()
      }
    }
    ScrollGeomCache.prototype.getClientWidth = function () {
      return this.clientWidth
    }
    ScrollGeomCache.prototype.getClientHeight = function () {
      return this.clientHeight
    }
    ScrollGeomCache.prototype.getScrollWidth = function () {
      return this.scrollWidth
    }
    ScrollGeomCache.prototype.getScrollHeight = function () {
      return this.scrollHeight
    }
    ScrollGeomCache.prototype.handleScrollChange = function () {}
    return ScrollGeomCache
  })(ScrollController)

  var ElementScrollGeomCache = /** @class */ (function (_super) {
    __extends(ElementScrollGeomCache, _super)
    function ElementScrollGeomCache(el, doesListening) {
      return _super.call(this, new ElementScrollController(el), doesListening) || this
    }
    ElementScrollGeomCache.prototype.getEventTarget = function () {
      return this.scrollController.el
    }
    ElementScrollGeomCache.prototype.computeClientRect = function () {
      return computeInnerRect(this.scrollController.el)
    }
    return ElementScrollGeomCache
  })(ScrollGeomCache)

  var WindowScrollGeomCache = /** @class */ (function (_super) {
    __extends(WindowScrollGeomCache, _super)
    function WindowScrollGeomCache(doesListening) {
      return _super.call(this, new WindowScrollController(), doesListening) || this
    }
    WindowScrollGeomCache.prototype.getEventTarget = function () {
      return window
    }
    WindowScrollGeomCache.prototype.computeClientRect = function () {
      return {
        left: this.scrollLeft,
        right: this.scrollLeft + this.clientWidth,
        top: this.scrollTop,
        bottom: this.scrollTop + this.clientHeight,
      }
    }
    // the window is the only scroll object that changes it's rectangle relative
    // to the document's topleft as it scrolls
    WindowScrollGeomCache.prototype.handleScrollChange = function () {
      this.clientRect = this.computeClientRect()
    }
    return WindowScrollGeomCache
  })(ScrollGeomCache)

  // If available we are using native "performance" API instead of "Date"
  // Read more about it on MDN:
  // https://developer.mozilla.org/en-US/docs/Web/API/Performance
  var getTime = typeof performance === 'function' ? performance.now : Date.now
  /*
    For a pointer interaction, automatically scrolls certain scroll containers when the pointer
    approaches the edge.

    The caller must call start + handleMove + stop.
    */
  var AutoScroller = /** @class */ (function () {
    function AutoScroller() {
      var _this = this
      // options that can be set by caller
      this.isEnabled = true
      this.scrollQuery = [window, '.fc-scroller']
      this.edgeThreshold = 50 // pixels
      this.maxVelocity = 300 // pixels per second
      // internal state
      this.pointerScreenX = null
      this.pointerScreenY = null
      this.isAnimating = false
      this.scrollCaches = null
      // protect against the initial pointerdown being too close to an edge and starting the scroll
      this.everMovedUp = false
      this.everMovedDown = false
      this.everMovedLeft = false
      this.everMovedRight = false
      this.animate = function () {
        if (_this.isAnimating) {
          // wasn't cancelled between animation calls
          var edge = _this.computeBestEdge(_this.pointerScreenX + window.pageXOffset, _this.pointerScreenY + window.pageYOffset)
          if (edge) {
            var now = getTime()
            _this.handleSide(edge, (now - _this.msSinceRequest) / 1000)
            _this.requestAnimation(now)
          } else {
            _this.isAnimating = false // will stop animation
          }
        }
      }
    }
    AutoScroller.prototype.start = function (pageX, pageY) {
      if (this.isEnabled) {
        this.scrollCaches = this.buildCaches()
        this.pointerScreenX = null
        this.pointerScreenY = null
        this.everMovedUp = false
        this.everMovedDown = false
        this.everMovedLeft = false
        this.everMovedRight = false
        this.handleMove(pageX, pageY)
      }
    }
    AutoScroller.prototype.handleMove = function (pageX, pageY) {
      if (this.isEnabled) {
        var pointerScreenX = pageX - window.pageXOffset
        var pointerScreenY = pageY - window.pageYOffset
        var yDelta = this.pointerScreenY === null ? 0 : pointerScreenY - this.pointerScreenY
        var xDelta = this.pointerScreenX === null ? 0 : pointerScreenX - this.pointerScreenX
        if (yDelta < 0) {
          this.everMovedUp = true
        } else if (yDelta > 0) {
          this.everMovedDown = true
        }
        if (xDelta < 0) {
          this.everMovedLeft = true
        } else if (xDelta > 0) {
          this.everMovedRight = true
        }
        this.pointerScreenX = pointerScreenX
        this.pointerScreenY = pointerScreenY
        if (!this.isAnimating) {
          this.isAnimating = true
          this.requestAnimation(getTime())
        }
      }
    }
    AutoScroller.prototype.stop = function () {
      if (this.isEnabled) {
        this.isAnimating = false // will stop animation
        for (var _i = 0, _a = this.scrollCaches; _i < _a.length; _i++) {
          var scrollCache = _a[_i]
          scrollCache.destroy()
        }
        this.scrollCaches = null
      }
    }
    AutoScroller.prototype.requestAnimation = function (now) {
      this.msSinceRequest = now
      requestAnimationFrame(this.animate)
    }
    AutoScroller.prototype.handleSide = function (edge, seconds) {
      var scrollCache = edge.scrollCache
      var edgeThreshold = this.edgeThreshold
      var invDistance = edgeThreshold - edge.distance
      var velocity = // the closer to the edge, the faster we scroll
        ((invDistance * invDistance) / (edgeThreshold * edgeThreshold)) * // quadratic
        this.maxVelocity *
        seconds
      var sign = 1
      switch (edge.name) {
        case 'left':
          sign = -1
        // falls through
        case 'right':
          scrollCache.setScrollLeft(scrollCache.getScrollLeft() + velocity * sign)
          break
        case 'top':
          sign = -1
        // falls through
        case 'bottom':
          scrollCache.setScrollTop(scrollCache.getScrollTop() + velocity * sign)
          break
      }
    }
    // left/top are relative to document topleft
    AutoScroller.prototype.computeBestEdge = function (left, top) {
      var edgeThreshold = this.edgeThreshold
      var bestSide = null
      for (var _i = 0, _a = this.scrollCaches; _i < _a.length; _i++) {
        var scrollCache = _a[_i]
        var rect = scrollCache.clientRect
        var leftDist = left - rect.left
        var rightDist = rect.right - left
        var topDist = top - rect.top
        var bottomDist = rect.bottom - top
        // completely within the rect?
        if (leftDist >= 0 && rightDist >= 0 && topDist >= 0 && bottomDist >= 0) {
          if (topDist <= edgeThreshold && this.everMovedUp && scrollCache.canScrollUp() && (!bestSide || bestSide.distance > topDist)) {
            bestSide = {
              scrollCache: scrollCache,
              name: 'top',
              distance: topDist,
            }
          }
          if (bottomDist <= edgeThreshold && this.everMovedDown && scrollCache.canScrollDown() && (!bestSide || bestSide.distance > bottomDist)) {
            bestSide = {
              scrollCache: scrollCache,
              name: 'bottom',
              distance: bottomDist,
            }
          }
          if (leftDist <= edgeThreshold && this.everMovedLeft && scrollCache.canScrollLeft() && (!bestSide || bestSide.distance > leftDist)) {
            bestSide = {
              scrollCache: scrollCache,
              name: 'left',
              distance: leftDist,
            }
          }
          if (rightDist <= edgeThreshold && this.everMovedRight && scrollCache.canScrollRight() && (!bestSide || bestSide.distance > rightDist)) {
            bestSide = {
              scrollCache: scrollCache,
              name: 'right',
              distance: rightDist,
            }
          }
        }
      }
      return bestSide
    }
    AutoScroller.prototype.buildCaches = function () {
      return this.queryScrollEls().map(function (el) {
        if (el === window) {
          return new WindowScrollGeomCache(false) // false = don't listen to user-generated scrolls
        }
        return new ElementScrollGeomCache(el, false) // false = don't listen to user-generated scrolls
      })
    }
    AutoScroller.prototype.queryScrollEls = function () {
      var els = []
      for (var _i = 0, _a = this.scrollQuery; _i < _a.length; _i++) {
        var query = _a[_i]
        if (typeof query === 'object') {
          els.push(query)
        } else {
          els.push.apply(els, Array.prototype.slice.call(document.querySelectorAll(query)))
        }
      }
      return els
    }
    return AutoScroller
  })()

  /*
    Monitors dragging on an element. Has a number of high-level features:
    - minimum distance required before dragging
    - minimum wait time ("delay") before dragging
    - a mirror element that follows the pointer
    */
  var FeaturefulElementDragging = /** @class */ (function (_super) {
    __extends(FeaturefulElementDragging, _super)
    function FeaturefulElementDragging(containerEl, selector) {
      var _this = _super.call(this, containerEl) || this
      // options that can be directly set by caller
      // the caller can also set the PointerDragging's options as well
      _this.delay = null
      _this.minDistance = 0
      _this.touchScrollAllowed = true // prevents drag from starting and blocks scrolling during drag
      _this.mirrorNeedsRevert = false
      _this.isInteracting = false // is the user validly moving the pointer? lasts until pointerup
      _this.isDragging = false // is it INTENTFULLY dragging? lasts until after revert animation
      _this.isDelayEnded = false
      _this.isDistanceSurpassed = false
      _this.delayTimeoutId = null
      _this.onPointerDown = function (ev) {
        if (!_this.isDragging) {
          // so new drag doesn't happen while revert animation is going
          _this.isInteracting = true
          _this.isDelayEnded = false
          _this.isDistanceSurpassed = false
          preventSelection(document.body)
          preventContextMenu(document.body)
          // prevent links from being visited if there's an eventual drag.
          // also prevents selection in older browsers (maybe?).
          // not necessary for touch, besides, browser would complain about passiveness.
          if (!ev.isTouch) {
            ev.origEvent.preventDefault()
          }
          _this.emitter.trigger('pointerdown', ev)
          if (
            _this.isInteracting && // not destroyed via pointerdown handler
            !_this.pointer.shouldIgnoreMove
          ) {
            // actions related to initiating dragstart+dragmove+dragend...
            _this.mirror.setIsVisible(false) // reset. caller must set-visible
            _this.mirror.start(ev.subjectEl, ev.pageX, ev.pageY) // must happen on first pointer down
            _this.startDelay(ev)
            if (!_this.minDistance) {
              _this.handleDistanceSurpassed(ev)
            }
          }
        }
      }
      _this.onPointerMove = function (ev) {
        if (_this.isInteracting) {
          _this.emitter.trigger('pointermove', ev)
          if (!_this.isDistanceSurpassed) {
            var minDistance = _this.minDistance
            var distanceSq = void 0 // current distance from the origin, squared
            var deltaX = ev.deltaX,
              deltaY = ev.deltaY
            distanceSq = deltaX * deltaX + deltaY * deltaY
            if (distanceSq >= minDistance * minDistance) {
              // use pythagorean theorem
              _this.handleDistanceSurpassed(ev)
            }
          }
          if (_this.isDragging) {
            // a real pointer move? (not one simulated by scrolling)
            if (ev.origEvent.type !== 'scroll') {
              _this.mirror.handleMove(ev.pageX, ev.pageY)
              _this.autoScroller.handleMove(ev.pageX, ev.pageY)
            }
            _this.emitter.trigger('dragmove', ev)
          }
        }
      }
      _this.onPointerUp = function (ev) {
        if (_this.isInteracting) {
          _this.isInteracting = false
          allowSelection(document.body)
          allowContextMenu(document.body)
          _this.emitter.trigger('pointerup', ev) // can potentially set mirrorNeedsRevert
          if (_this.isDragging) {
            _this.autoScroller.stop()
            _this.tryStopDrag(ev) // which will stop the mirror
          }
          if (_this.delayTimeoutId) {
            clearTimeout(_this.delayTimeoutId)
            _this.delayTimeoutId = null
          }
        }
      }
      var pointer = (_this.pointer = new PointerDragging(containerEl))
      pointer.emitter.on('pointerdown', _this.onPointerDown)
      pointer.emitter.on('pointermove', _this.onPointerMove)
      pointer.emitter.on('pointerup', _this.onPointerUp)
      if (selector) {
        pointer.selector = selector
      }
      _this.mirror = new ElementMirror()
      _this.autoScroller = new AutoScroller()
      return _this
    }
    FeaturefulElementDragging.prototype.destroy = function () {
      this.pointer.destroy()
      // HACK: simulate a pointer-up to end the current drag
      // TODO: fire 'dragend' directly and stop interaction. discourage use of pointerup event (b/c might not fire)
      this.onPointerUp({})
    }
    FeaturefulElementDragging.prototype.startDelay = function (ev) {
      var _this = this
      if (typeof this.delay === 'number') {
        this.delayTimeoutId = setTimeout(function () {
          _this.delayTimeoutId = null
          _this.handleDelayEnd(ev)
        }, this.delay) // not assignable to number!
      } else {
        this.handleDelayEnd(ev)
      }
    }
    FeaturefulElementDragging.prototype.handleDelayEnd = function (ev) {
      this.isDelayEnded = true
      this.tryStartDrag(ev)
    }
    FeaturefulElementDragging.prototype.handleDistanceSurpassed = function (ev) {
      this.isDistanceSurpassed = true
      this.tryStartDrag(ev)
    }
    FeaturefulElementDragging.prototype.tryStartDrag = function (ev) {
      if (this.isDelayEnded && this.isDistanceSurpassed) {
        if (!this.pointer.wasTouchScroll || this.touchScrollAllowed) {
          this.isDragging = true
          this.mirrorNeedsRevert = false
          this.autoScroller.start(ev.pageX, ev.pageY)
          this.emitter.trigger('dragstart', ev)
          if (this.touchScrollAllowed === false) {
            this.pointer.cancelTouchScroll()
          }
        }
      }
    }
    FeaturefulElementDragging.prototype.tryStopDrag = function (ev) {
      // .stop() is ALWAYS asynchronous, which we NEED because we want all pointerup events
      // that come from the document to fire beforehand. much more convenient this way.
      this.mirror.stop(this.mirrorNeedsRevert, this.stopDrag.bind(this, ev))
    }
    FeaturefulElementDragging.prototype.stopDrag = function (ev) {
      this.isDragging = false
      this.emitter.trigger('dragend', ev)
    }
    // fill in the implementations...
    FeaturefulElementDragging.prototype.setIgnoreMove = function (bool) {
      this.pointer.shouldIgnoreMove = bool
    }
    FeaturefulElementDragging.prototype.setMirrorIsVisible = function (bool) {
      this.mirror.setIsVisible(bool)
    }
    FeaturefulElementDragging.prototype.setMirrorNeedsRevert = function (bool) {
      this.mirrorNeedsRevert = bool
    }
    FeaturefulElementDragging.prototype.setAutoScrollEnabled = function (bool) {
      this.autoScroller.isEnabled = bool
    }
    return FeaturefulElementDragging
  })(ElementDragging)

  /*
    When this class is instantiated, it records the offset of an element (relative to the document topleft),
    and continues to monitor scrolling, updating the cached coordinates if it needs to.
    Does not access the DOM after instantiation, so highly performant.

    Also keeps track of all scrolling/overflow:hidden containers that are parents of the given element
    and an determine if a given point is inside the combined clipping rectangle.
    */
  var OffsetTracker = /** @class */ (function () {
    function OffsetTracker(el) {
      this.origRect = computeRect(el)
      // will work fine for divs that have overflow:hidden
      this.scrollCaches = getClippingParents(el).map(function (scrollEl) {
        return new ElementScrollGeomCache(scrollEl, true)
      })
    }
    OffsetTracker.prototype.destroy = function () {
      for (var _i = 0, _a = this.scrollCaches; _i < _a.length; _i++) {
        var scrollCache = _a[_i]
        scrollCache.destroy()
      }
    }
    OffsetTracker.prototype.computeLeft = function () {
      var left = this.origRect.left
      for (var _i = 0, _a = this.scrollCaches; _i < _a.length; _i++) {
        var scrollCache = _a[_i]
        left += scrollCache.origScrollLeft - scrollCache.getScrollLeft()
      }
      return left
    }
    OffsetTracker.prototype.computeTop = function () {
      var top = this.origRect.top
      for (var _i = 0, _a = this.scrollCaches; _i < _a.length; _i++) {
        var scrollCache = _a[_i]
        top += scrollCache.origScrollTop - scrollCache.getScrollTop()
      }
      return top
    }
    OffsetTracker.prototype.isWithinClipping = function (pageX, pageY) {
      var point = { left: pageX, top: pageY }
      for (var _i = 0, _a = this.scrollCaches; _i < _a.length; _i++) {
        var scrollCache = _a[_i]
        if (!isIgnoredClipping(scrollCache.getEventTarget()) && !pointInsideRect(point, scrollCache.clientRect)) {
          return false
        }
      }
      return true
    }
    return OffsetTracker
  })()
  // certain clipping containers should never constrain interactions, like <html> and <body>
  // https://github.com/fullcalendar/fullcalendar/issues/3615
  function isIgnoredClipping(node) {
    var tagName = node.tagName
    return tagName === 'HTML' || tagName === 'BODY'
  }

  /*
    Tracks movement over multiple droppable areas (aka "hits")
    that exist in one or more DateComponents.
    Relies on an existing draggable.

    emits:
    - pointerdown
    - dragstart
    - hitchange - fires initially, even if not over a hit
    - pointerup
    - (hitchange - again, to null, if ended over a hit)
    - dragend
    */
  var HitDragging = /** @class */ (function () {
    function HitDragging(dragging, droppableStore) {
      var _this = this
      // options that can be set by caller
      this.useSubjectCenter = false
      this.requireInitial = true // if doesn't start out on a hit, won't emit any events
      this.initialHit = null
      this.movingHit = null
      this.finalHit = null // won't ever be populated if shouldIgnoreMove
      this.handlePointerDown = function (ev) {
        var dragging = _this.dragging
        _this.initialHit = null
        _this.movingHit = null
        _this.finalHit = null
        _this.prepareHits()
        _this.processFirstCoord(ev)
        if (_this.initialHit || !_this.requireInitial) {
          dragging.setIgnoreMove(false)
          // TODO: fire this before computing processFirstCoord, so listeners can cancel. this gets fired by almost every handler :(
          _this.emitter.trigger('pointerdown', ev)
        } else {
          dragging.setIgnoreMove(true)
        }
      }
      this.handleDragStart = function (ev) {
        _this.emitter.trigger('dragstart', ev)
        _this.handleMove(ev, true) // force = fire even if initially null
      }
      this.handleDragMove = function (ev) {
        _this.emitter.trigger('dragmove', ev)
        _this.handleMove(ev)
      }
      this.handlePointerUp = function (ev) {
        _this.releaseHits()
        _this.emitter.trigger('pointerup', ev)
      }
      this.handleDragEnd = function (ev) {
        if (_this.movingHit) {
          _this.emitter.trigger('hitupdate', null, true, ev)
        }
        _this.finalHit = _this.movingHit
        _this.movingHit = null
        _this.emitter.trigger('dragend', ev)
      }
      this.droppableStore = droppableStore
      dragging.emitter.on('pointerdown', this.handlePointerDown)
      dragging.emitter.on('dragstart', this.handleDragStart)
      dragging.emitter.on('dragmove', this.handleDragMove)
      dragging.emitter.on('pointerup', this.handlePointerUp)
      dragging.emitter.on('dragend', this.handleDragEnd)
      this.dragging = dragging
      this.emitter = new Emitter()
    }
    // sets initialHit
    // sets coordAdjust
    HitDragging.prototype.processFirstCoord = function (ev) {
      var origPoint = { left: ev.pageX, top: ev.pageY }
      var adjustedPoint = origPoint
      var subjectEl = ev.subjectEl
      var subjectRect
      if (subjectEl !== document) {
        subjectRect = computeRect(subjectEl)
        adjustedPoint = constrainPoint(adjustedPoint, subjectRect)
      }
      var initialHit = (this.initialHit = this.queryHitForOffset(adjustedPoint.left, adjustedPoint.top))
      if (initialHit) {
        if (this.useSubjectCenter && subjectRect) {
          var slicedSubjectRect = intersectRects(subjectRect, initialHit.rect)
          if (slicedSubjectRect) {
            adjustedPoint = getRectCenter(slicedSubjectRect)
          }
        }
        this.coordAdjust = diffPoints(adjustedPoint, origPoint)
      } else {
        this.coordAdjust = { left: 0, top: 0 }
      }
    }
    HitDragging.prototype.handleMove = function (ev, forceHandle) {
      var hit = this.queryHitForOffset(ev.pageX + this.coordAdjust.left, ev.pageY + this.coordAdjust.top)
      if (forceHandle || !isHitsEqual(this.movingHit, hit)) {
        this.movingHit = hit
        this.emitter.trigger('hitupdate', hit, false, ev)
      }
    }
    HitDragging.prototype.prepareHits = function () {
      this.offsetTrackers = mapHash(this.droppableStore, function (interactionSettings) {
        interactionSettings.component.prepareHits()
        return new OffsetTracker(interactionSettings.el)
      })
    }
    HitDragging.prototype.releaseHits = function () {
      var offsetTrackers = this.offsetTrackers
      for (var id in offsetTrackers) {
        offsetTrackers[id].destroy()
      }
      this.offsetTrackers = {}
    }
    HitDragging.prototype.queryHitForOffset = function (offsetLeft, offsetTop) {
      var _a = this,
        droppableStore = _a.droppableStore,
        offsetTrackers = _a.offsetTrackers
      var bestHit = null
      for (var id in droppableStore) {
        var component = droppableStore[id].component
        var offsetTracker = offsetTrackers[id]
        if (
          offsetTracker && // wasn't destroyed mid-drag
          offsetTracker.isWithinClipping(offsetLeft, offsetTop)
        ) {
          var originLeft = offsetTracker.computeLeft()
          var originTop = offsetTracker.computeTop()
          var positionLeft = offsetLeft - originLeft
          var positionTop = offsetTop - originTop
          var origRect = offsetTracker.origRect
          var width = origRect.right - origRect.left
          var height = origRect.bottom - origRect.top
          if (
            // must be within the element's bounds
            positionLeft >= 0 &&
            positionLeft < width &&
            positionTop >= 0 &&
            positionTop < height
          ) {
            var hit = component.queryHit(positionLeft, positionTop, width, height)
            var dateProfile = component.context.getCurrentData().dateProfile
            if (
              hit &&
              // make sure the hit is within activeRange, meaning it's not a deal cell
              rangeContainsRange(dateProfile.activeRange, hit.dateSpan.range) &&
              (!bestHit || hit.layer > bestHit.layer)
            ) {
              // TODO: better way to re-orient rectangle
              hit.rect.left += originLeft
              hit.rect.right += originLeft
              hit.rect.top += originTop
              hit.rect.bottom += originTop
              bestHit = hit
            }
          }
        }
      }
      return bestHit
    }
    return HitDragging
  })()
  function isHitsEqual(hit0, hit1) {
    if (!hit0 && !hit1) {
      return true
    }
    if (Boolean(hit0) !== Boolean(hit1)) {
      return false
    }
    return isDateSpansEqual(hit0.dateSpan, hit1.dateSpan)
  }

  function buildDatePointApiWithContext(dateSpan, context) {
    var props = {}
    for (var _i = 0, _a = context.pluginHooks.datePointTransforms; _i < _a.length; _i++) {
      var transform = _a[_i]
      __assign(props, transform(dateSpan, context))
    }
    __assign(props, buildDatePointApi(dateSpan, context.dateEnv))
    return props
  }
  function buildDatePointApi(span, dateEnv) {
    return {
      date: dateEnv.toDate(span.range.start),
      dateStr: dateEnv.formatIso(span.range.start, { omitTime: span.allDay }),
      allDay: span.allDay,
    }
  }

  /*
    Monitors when the user clicks on a specific date/time of a component.
    A pointerdown+pointerup on the same "hit" constitutes a click.
    */
  var DateClicking = /** @class */ (function (_super) {
    __extends(DateClicking, _super)
    function DateClicking(settings) {
      var _this = _super.call(this, settings) || this
      _this.handlePointerDown = function (pev) {
        var dragging = _this.dragging
        var downEl = pev.origEvent.target
        // do this in pointerdown (not dragend) because DOM might be mutated by the time dragend is fired
        dragging.setIgnoreMove(!_this.component.isValidDateDownEl(downEl))
      }
      // won't even fire if moving was ignored
      _this.handleDragEnd = function (ev) {
        var component = _this.component
        var pointer = _this.dragging.pointer
        if (!pointer.wasTouchScroll) {
          var _a = _this.hitDragging,
            initialHit = _a.initialHit,
            finalHit = _a.finalHit
          if (initialHit && finalHit && isHitsEqual(initialHit, finalHit)) {
            var context = component.context
            var arg = __assign(__assign({}, buildDatePointApiWithContext(initialHit.dateSpan, context)), {
              dayEl: initialHit.dayEl,
              jsEvent: ev.origEvent,
              view: context.viewApi || context.calendarApi.view,
            })
            context.emitter.trigger('dateClick', arg)
          }
        }
      }
      // we DO want to watch pointer moves because otherwise finalHit won't get populated
      _this.dragging = new FeaturefulElementDragging(settings.el)
      _this.dragging.autoScroller.isEnabled = false
      var hitDragging = (_this.hitDragging = new HitDragging(_this.dragging, interactionSettingsToStore(settings)))
      hitDragging.emitter.on('pointerdown', _this.handlePointerDown)
      hitDragging.emitter.on('dragend', _this.handleDragEnd)
      return _this
    }
    DateClicking.prototype.destroy = function () {
      this.dragging.destroy()
    }
    return DateClicking
  })(Interaction)

  /*
    Tracks when the user selects a portion of time of a component,
    constituted by a drag over date cells, with a possible delay at the beginning of the drag.
    */
  var DateSelecting = /** @class */ (function (_super) {
    __extends(DateSelecting, _super)
    function DateSelecting(settings) {
      var _this = _super.call(this, settings) || this
      _this.dragSelection = null
      _this.handlePointerDown = function (ev) {
        var _a = _this,
          component = _a.component,
          dragging = _a.dragging
        var options = component.context.options
        var canSelect = options.selectable && component.isValidDateDownEl(ev.origEvent.target)
        // don't bother to watch expensive moves if component won't do selection
        dragging.setIgnoreMove(!canSelect)
        // if touch, require user to hold down
        dragging.delay = ev.isTouch ? getComponentTouchDelay(component) : null
      }
      _this.handleDragStart = function (ev) {
        _this.component.context.calendarApi.unselect(ev) // unselect previous selections
      }
      _this.handleHitUpdate = function (hit, isFinal) {
        var context = _this.component.context
        var dragSelection = null
        var isInvalid = false
        if (hit) {
          dragSelection = joinHitsIntoSelection(_this.hitDragging.initialHit, hit, context.pluginHooks.dateSelectionTransformers)
          if (!dragSelection || !_this.component.isDateSelectionValid(dragSelection)) {
            isInvalid = true
            dragSelection = null
          }
        }
        if (dragSelection) {
          context.dispatch({ type: 'SELECT_DATES', selection: dragSelection })
        } else if (!isFinal) {
          // only unselect if moved away while dragging
          context.dispatch({ type: 'UNSELECT_DATES' })
        }
        if (!isInvalid) {
          enableCursor()
        } else {
          disableCursor()
        }
        if (!isFinal) {
          _this.dragSelection = dragSelection // only clear if moved away from all hits while dragging
        }
      }
      _this.handlePointerUp = function (pev) {
        if (_this.dragSelection) {
          // selection is already rendered, so just need to report selection
          triggerDateSelect(_this.dragSelection, pev, _this.component.context)
          _this.dragSelection = null
        }
      }
      var component = settings.component
      var options = component.context.options
      var dragging = (_this.dragging = new FeaturefulElementDragging(settings.el))
      dragging.touchScrollAllowed = false
      dragging.minDistance = options.selectMinDistance || 0
      dragging.autoScroller.isEnabled = options.dragScroll
      var hitDragging = (_this.hitDragging = new HitDragging(_this.dragging, interactionSettingsToStore(settings)))
      hitDragging.emitter.on('pointerdown', _this.handlePointerDown)
      hitDragging.emitter.on('dragstart', _this.handleDragStart)
      hitDragging.emitter.on('hitupdate', _this.handleHitUpdate)
      hitDragging.emitter.on('pointerup', _this.handlePointerUp)
      return _this
    }
    DateSelecting.prototype.destroy = function () {
      this.dragging.destroy()
    }
    return DateSelecting
  })(Interaction)
  function getComponentTouchDelay(component) {
    var options = component.context.options
    var delay = options.selectLongPressDelay
    if (delay == null) {
      delay = options.longPressDelay
    }
    return delay
  }
  function joinHitsIntoSelection(hit0, hit1, dateSelectionTransformers) {
    var dateSpan0 = hit0.dateSpan
    var dateSpan1 = hit1.dateSpan
    var ms = [dateSpan0.range.start, dateSpan0.range.end, dateSpan1.range.start, dateSpan1.range.end]
    ms.sort(compareNumbers)
    var props = {}
    for (var _i = 0, dateSelectionTransformers_1 = dateSelectionTransformers; _i < dateSelectionTransformers_1.length; _i++) {
      var transformer = dateSelectionTransformers_1[_i]
      var res = transformer(hit0, hit1)
      if (res === false) {
        return null
      }
      if (res) {
        __assign(props, res)
      }
    }
    props.range = { start: ms[0], end: ms[3] }
    props.allDay = dateSpan0.allDay
    return props
  }

  var EventDragging = /** @class */ (function (_super) {
    __extends(EventDragging, _super)
    function EventDragging(settings) {
      var _this = _super.call(this, settings) || this
      // internal state
      _this.subjectEl = null
      _this.subjectSeg = null // the seg being selected/dragged
      _this.isDragging = false
      _this.eventRange = null
      _this.relevantEvents = null // the events being dragged
      _this.receivingContext = null
      _this.validMutation = null
      _this.mutatedRelevantEvents = null
      _this.handlePointerDown = function (ev) {
        var origTarget = ev.origEvent.target
        var _a = _this,
          component = _a.component,
          dragging = _a.dragging
        var mirror = dragging.mirror
        var options = component.context.options
        var initialContext = component.context
        _this.subjectEl = ev.subjectEl
        var subjectSeg = (_this.subjectSeg = getElSeg(ev.subjectEl))
        var eventRange = (_this.eventRange = subjectSeg.eventRange)
        var eventInstanceId = eventRange.instance.instanceId
        _this.relevantEvents = getRelevantEvents(initialContext.getCurrentData().eventStore, eventInstanceId)
        dragging.minDistance = ev.isTouch ? 0 : options.eventDragMinDistance
        dragging.delay =
          // only do a touch delay if touch and this event hasn't been selected yet
          ev.isTouch && eventInstanceId !== component.props.eventSelection ? getComponentTouchDelay$1(component) : null
        if (options.fixedMirrorParent) {
          mirror.parentNode = options.fixedMirrorParent
        } else {
          mirror.parentNode = elementClosest(origTarget, '.fc')
        }
        mirror.revertDuration = options.dragRevertDuration
        var isValid = component.isValidSegDownEl(origTarget) && !elementClosest(origTarget, '.fc-event-resizer') // NOT on a resizer
        dragging.setIgnoreMove(!isValid)
        // disable dragging for elements that are resizable (ie, selectable)
        // but are not draggable
        _this.isDragging = isValid && ev.subjectEl.classList.contains('fc-event-draggable')
      }
      _this.handleDragStart = function (ev) {
        var initialContext = _this.component.context
        var eventRange = _this.eventRange
        var eventInstanceId = eventRange.instance.instanceId
        if (ev.isTouch) {
          // need to select a different event?
          if (eventInstanceId !== _this.component.props.eventSelection) {
            initialContext.dispatch({
              type: 'SELECT_EVENT',
              eventInstanceId: eventInstanceId,
            })
          }
        } else {
          // if now using mouse, but was previous touch interaction, clear selected event
          initialContext.dispatch({ type: 'UNSELECT_EVENT' })
        }
        if (_this.isDragging) {
          initialContext.calendarApi.unselect(ev) // unselect *date* selection
          initialContext.emitter.trigger('eventDragStart', {
            el: _this.subjectEl,
            event: new EventApi(initialContext, eventRange.def, eventRange.instance),
            jsEvent: ev.origEvent,
            view: initialContext.viewApi,
          })
        }
      }
      _this.handleHitUpdate = function (hit, isFinal) {
        if (!_this.isDragging) {
          return
        }
        var relevantEvents = _this.relevantEvents
        var initialHit = _this.hitDragging.initialHit
        var initialContext = _this.component.context
        // states based on new hit
        var receivingContext = null
        var mutation = null
        var mutatedRelevantEvents = null
        var isInvalid = false
        var interaction = {
          affectedEvents: relevantEvents,
          mutatedEvents: createEmptyEventStore(),
          isEvent: true,
        }
        if (hit) {
          var receivingComponent = hit.component
          receivingContext = receivingComponent.context
          var receivingOptions = receivingContext.options
          if (initialContext === receivingContext || (receivingOptions.editable && receivingOptions.droppable)) {
            mutation = computeEventMutation(initialHit, hit, receivingContext.getCurrentData().pluginHooks.eventDragMutationMassagers)
            if (mutation) {
              mutatedRelevantEvents = applyMutationToEventStore(relevantEvents, receivingContext.getCurrentData().eventUiBases, mutation, receivingContext)
              interaction.mutatedEvents = mutatedRelevantEvents
              if (!receivingComponent.isInteractionValid(interaction)) {
                isInvalid = true
                mutation = null
                mutatedRelevantEvents = null
                interaction.mutatedEvents = createEmptyEventStore()
              }
            }
          } else {
            receivingContext = null
          }
        }
        _this.displayDrag(receivingContext, interaction)
        if (!isInvalid) {
          enableCursor()
        } else {
          disableCursor()
        }
        if (!isFinal) {
          if (
            initialContext === receivingContext && // TODO: write test for this
            isHitsEqual(initialHit, hit)
          ) {
            mutation = null
          }
          _this.dragging.setMirrorNeedsRevert(!mutation)
          // render the mirror if no already-rendered mirror
          // TODO: wish we could somehow wait for dispatch to guarantee render
          _this.dragging.setMirrorIsVisible(!hit || !document.querySelector('.fc-event-mirror'))
          // assign states based on new hit
          _this.receivingContext = receivingContext
          _this.validMutation = mutation
          _this.mutatedRelevantEvents = mutatedRelevantEvents
        }
      }
      _this.handlePointerUp = function () {
        if (!_this.isDragging) {
          _this.cleanup() // because handleDragEnd won't fire
        }
      }
      _this.handleDragEnd = function (ev) {
        if (_this.isDragging) {
          var initialContext_1 = _this.component.context
          var initialView = initialContext_1.viewApi
          var _a = _this,
            receivingContext_1 = _a.receivingContext,
            validMutation = _a.validMutation
          var eventDef = _this.eventRange.def
          var eventInstance = _this.eventRange.instance
          var eventApi = new EventApi(initialContext_1, eventDef, eventInstance)
          var relevantEvents_1 = _this.relevantEvents
          var mutatedRelevantEvents_1 = _this.mutatedRelevantEvents
          var finalHit = _this.hitDragging.finalHit
          _this.clearDrag() // must happen after revert animation
          initialContext_1.emitter.trigger('eventDragStop', {
            el: _this.subjectEl,
            event: eventApi,
            jsEvent: ev.origEvent,
            view: initialView,
          })
          if (validMutation) {
            // dropped within same calendar
            if (receivingContext_1 === initialContext_1) {
              var updatedEventApi = new EventApi(initialContext_1, mutatedRelevantEvents_1.defs[eventDef.defId], eventInstance ? mutatedRelevantEvents_1.instances[eventInstance.instanceId] : null)
              initialContext_1.dispatch({
                type: 'MERGE_EVENTS',
                eventStore: mutatedRelevantEvents_1,
              })
              var eventChangeArg = {
                oldEvent: eventApi,
                event: updatedEventApi,
                relatedEvents: buildEventApis(mutatedRelevantEvents_1, initialContext_1, eventInstance),
                revert: function () {
                  initialContext_1.dispatch({
                    type: 'MERGE_EVENTS',
                    eventStore: relevantEvents_1,
                  })
                },
              }
              var transformed = {}
              for (var _i = 0, _b = initialContext_1.getCurrentData().pluginHooks.eventDropTransformers; _i < _b.length; _i++) {
                var transformer = _b[_i]
                __assign(transformed, transformer(validMutation, initialContext_1))
              }
              initialContext_1.emitter.trigger(
                'eventDrop',
                __assign(__assign(__assign({}, eventChangeArg), transformed), {
                  el: ev.subjectEl,
                  delta: validMutation.datesDelta,
                  jsEvent: ev.origEvent,
                  view: initialView,
                })
              )
              initialContext_1.emitter.trigger('eventChange', eventChangeArg)
              // dropped in different calendar
            } else if (receivingContext_1) {
              var eventRemoveArg = {
                event: eventApi,
                relatedEvents: buildEventApis(relevantEvents_1, initialContext_1, eventInstance),
                revert: function () {
                  initialContext_1.dispatch({
                    type: 'MERGE_EVENTS',
                    eventStore: relevantEvents_1,
                  })
                },
              }
              initialContext_1.emitter.trigger(
                'eventLeave',
                __assign(__assign({}, eventRemoveArg), {
                  draggedEl: ev.subjectEl,
                  view: initialView,
                })
              )
              initialContext_1.dispatch({
                type: 'REMOVE_EVENTS',
                eventStore: relevantEvents_1,
              })
              initialContext_1.emitter.trigger('eventRemove', eventRemoveArg)
              var addedEventDef = mutatedRelevantEvents_1.defs[eventDef.defId]
              var addedEventInstance = mutatedRelevantEvents_1.instances[eventInstance.instanceId]
              var addedEventApi = new EventApi(receivingContext_1, addedEventDef, addedEventInstance)
              receivingContext_1.dispatch({
                type: 'MERGE_EVENTS',
                eventStore: mutatedRelevantEvents_1,
              })
              var eventAddArg = {
                event: addedEventApi,
                relatedEvents: buildEventApis(mutatedRelevantEvents_1, receivingContext_1, addedEventInstance),
                revert: function () {
                  receivingContext_1.dispatch({
                    type: 'REMOVE_EVENTS',
                    eventStore: mutatedRelevantEvents_1,
                  })
                },
              }
              receivingContext_1.emitter.trigger('eventAdd', eventAddArg)
              if (ev.isTouch) {
                receivingContext_1.dispatch({
                  type: 'SELECT_EVENT',
                  eventInstanceId: eventInstance.instanceId,
                })
              }
              receivingContext_1.emitter.trigger(
                'drop',
                __assign(__assign({}, buildDatePointApiWithContext(finalHit.dateSpan, receivingContext_1)), {
                  draggedEl: ev.subjectEl,
                  jsEvent: ev.origEvent,
                  view: finalHit.component.context.viewApi,
                })
              )
              receivingContext_1.emitter.trigger(
                'eventReceive',
                __assign(__assign({}, eventAddArg), {
                  draggedEl: ev.subjectEl,
                  view: finalHit.component.context.viewApi,
                })
              )
            }
          } else {
            initialContext_1.emitter.trigger('_noEventDrop')
          }
        }
        _this.cleanup()
      }
      var component = _this.component
      var options = component.context.options
      var dragging = (_this.dragging = new FeaturefulElementDragging(settings.el))
      dragging.pointer.selector = EventDragging.SELECTOR
      dragging.touchScrollAllowed = false
      dragging.autoScroller.isEnabled = options.dragScroll
      var hitDragging = (_this.hitDragging = new HitDragging(_this.dragging, interactionSettingsStore))
      hitDragging.useSubjectCenter = settings.useEventCenter
      hitDragging.emitter.on('pointerdown', _this.handlePointerDown)
      hitDragging.emitter.on('dragstart', _this.handleDragStart)
      hitDragging.emitter.on('hitupdate', _this.handleHitUpdate)
      hitDragging.emitter.on('pointerup', _this.handlePointerUp)
      hitDragging.emitter.on('dragend', _this.handleDragEnd)
      return _this
    }
    EventDragging.prototype.destroy = function () {
      this.dragging.destroy()
    }
    // render a drag state on the next receivingCalendar
    EventDragging.prototype.displayDrag = function (nextContext, state) {
      var initialContext = this.component.context
      var prevContext = this.receivingContext
      // does the previous calendar need to be cleared?
      if (prevContext && prevContext !== nextContext) {
        // does the initial calendar need to be cleared?
        // if so, don't clear all the way. we still need to to hide the affectedEvents
        if (prevContext === initialContext) {
          prevContext.dispatch({
            type: 'SET_EVENT_DRAG',
            state: {
              affectedEvents: state.affectedEvents,
              mutatedEvents: createEmptyEventStore(),
              isEvent: true,
            },
          })
          // completely clear the old calendar if it wasn't the initial
        } else {
          prevContext.dispatch({ type: 'UNSET_EVENT_DRAG' })
        }
      }
      if (nextContext) {
        nextContext.dispatch({ type: 'SET_EVENT_DRAG', state: state })
      }
    }
    EventDragging.prototype.clearDrag = function () {
      var initialCalendar = this.component.context
      var receivingContext = this.receivingContext
      if (receivingContext) {
        receivingContext.dispatch({ type: 'UNSET_EVENT_DRAG' })
      }
      // the initial calendar might have an dummy drag state from displayDrag
      if (initialCalendar !== receivingContext) {
        initialCalendar.dispatch({ type: 'UNSET_EVENT_DRAG' })
      }
    }
    EventDragging.prototype.cleanup = function () {
      this.subjectSeg = null
      this.isDragging = false
      this.eventRange = null
      this.relevantEvents = null
      this.receivingContext = null
      this.validMutation = null
      this.mutatedRelevantEvents = null
    }
    // TODO: test this in IE11
    // QUESTION: why do we need it on the resizable???
    EventDragging.SELECTOR = '.fc-event-draggable, .fc-event-resizable'
    return EventDragging
  })(Interaction)
  function computeEventMutation(hit0, hit1, massagers) {
    var dateSpan0 = hit0.dateSpan
    var dateSpan1 = hit1.dateSpan
    var date0 = dateSpan0.range.start
    var date1 = dateSpan1.range.start
    var standardProps = {}
    if (dateSpan0.allDay !== dateSpan1.allDay) {
      standardProps.allDay = dateSpan1.allDay
      standardProps.hasEnd = hit1.component.context.options.allDayMaintainDuration
      if (dateSpan1.allDay) {
        // means date1 is already start-of-day,
        // but date0 needs to be converted
        date0 = startOfDay(date0)
      }
    }
    var delta = diffDates(date0, date1, hit0.component.context.dateEnv, hit0.component === hit1.component ? hit0.component.largeUnit : null)
    if (delta.milliseconds) {
      // has hours/minutes/seconds
      standardProps.allDay = false
    }
    var mutation = {
      datesDelta: delta,
      standardProps: standardProps,
    }
    for (var _i = 0, massagers_1 = massagers; _i < massagers_1.length; _i++) {
      var massager = massagers_1[_i]
      massager(mutation, hit0, hit1)
    }
    return mutation
  }
  function getComponentTouchDelay$1(component) {
    var options = component.context.options
    var delay = options.eventLongPressDelay
    if (delay == null) {
      delay = options.longPressDelay
    }
    return delay
  }

  var EventResizing = /** @class */ (function (_super) {
    __extends(EventResizing, _super)
    function EventResizing(settings) {
      var _this = _super.call(this, settings) || this
      // internal state
      _this.draggingSegEl = null
      _this.draggingSeg = null // TODO: rename to resizingSeg? subjectSeg?
      _this.eventRange = null
      _this.relevantEvents = null
      _this.validMutation = null
      _this.mutatedRelevantEvents = null
      _this.handlePointerDown = function (ev) {
        var component = _this.component
        var segEl = _this.querySegEl(ev)
        var seg = getElSeg(segEl)
        var eventRange = (_this.eventRange = seg.eventRange)
        _this.dragging.minDistance = component.context.options.eventDragMinDistance
        // if touch, need to be working with a selected event
        _this.dragging.setIgnoreMove(!_this.component.isValidSegDownEl(ev.origEvent.target) || (ev.isTouch && _this.component.props.eventSelection !== eventRange.instance.instanceId))
      }
      _this.handleDragStart = function (ev) {
        var context = _this.component.context
        var eventRange = _this.eventRange
        _this.relevantEvents = getRelevantEvents(context.getCurrentData().eventStore, _this.eventRange.instance.instanceId)
        var segEl = _this.querySegEl(ev)
        _this.draggingSegEl = segEl
        _this.draggingSeg = getElSeg(segEl)
        context.calendarApi.unselect()
        context.emitter.trigger('eventResizeStart', {
          el: segEl,
          event: new EventApi(context, eventRange.def, eventRange.instance),
          jsEvent: ev.origEvent,
          view: context.viewApi,
        })
      }
      _this.handleHitUpdate = function (hit, isFinal, ev) {
        var context = _this.component.context
        var relevantEvents = _this.relevantEvents
        var initialHit = _this.hitDragging.initialHit
        var eventInstance = _this.eventRange.instance
        var mutation = null
        var mutatedRelevantEvents = null
        var isInvalid = false
        var interaction = {
          affectedEvents: relevantEvents,
          mutatedEvents: createEmptyEventStore(),
          isEvent: true,
        }
        if (hit) {
          mutation = computeMutation(initialHit, hit, ev.subjectEl.classList.contains('fc-event-resizer-start'), eventInstance.range, context.pluginHooks.eventResizeJoinTransforms)
        }
        if (mutation) {
          mutatedRelevantEvents = applyMutationToEventStore(relevantEvents, context.getCurrentData().eventUiBases, mutation, context)
          interaction.mutatedEvents = mutatedRelevantEvents
          if (!_this.component.isInteractionValid(interaction)) {
            isInvalid = true
            mutation = null
            mutatedRelevantEvents = null
            interaction.mutatedEvents = null
          }
        }
        if (mutatedRelevantEvents) {
          context.dispatch({
            type: 'SET_EVENT_RESIZE',
            state: interaction,
          })
        } else {
          context.dispatch({ type: 'UNSET_EVENT_RESIZE' })
        }
        if (!isInvalid) {
          enableCursor()
        } else {
          disableCursor()
        }
        if (!isFinal) {
          if (mutation && isHitsEqual(initialHit, hit)) {
            mutation = null
          }
          _this.validMutation = mutation
          _this.mutatedRelevantEvents = mutatedRelevantEvents
        }
      }
      _this.handleDragEnd = function (ev) {
        var context = _this.component.context
        var eventDef = _this.eventRange.def
        var eventInstance = _this.eventRange.instance
        var eventApi = new EventApi(context, eventDef, eventInstance)
        var relevantEvents = _this.relevantEvents
        var mutatedRelevantEvents = _this.mutatedRelevantEvents
        context.emitter.trigger('eventResizeStop', {
          el: _this.draggingSegEl,
          event: eventApi,
          jsEvent: ev.origEvent,
          view: context.viewApi,
        })
        if (_this.validMutation) {
          var updatedEventApi = new EventApi(context, mutatedRelevantEvents.defs[eventDef.defId], eventInstance ? mutatedRelevantEvents.instances[eventInstance.instanceId] : null)
          context.dispatch({
            type: 'MERGE_EVENTS',
            eventStore: mutatedRelevantEvents,
          })
          var eventChangeArg = {
            oldEvent: eventApi,
            event: updatedEventApi,
            relatedEvents: buildEventApis(mutatedRelevantEvents, context, eventInstance),
            revert: function () {
              context.dispatch({
                type: 'MERGE_EVENTS',
                eventStore: relevantEvents,
              })
            },
          }
          context.emitter.trigger(
            'eventResize',
            __assign(__assign({}, eventChangeArg), {
              el: _this.draggingSegEl,
              startDelta: _this.validMutation.startDelta || createDuration(0),
              endDelta: _this.validMutation.endDelta || createDuration(0),
              jsEvent: ev.origEvent,
              view: context.viewApi,
            })
          )
          context.emitter.trigger('eventChange', eventChangeArg)
        } else {
          context.emitter.trigger('_noEventResize')
        }
        // reset all internal state
        _this.draggingSeg = null
        _this.relevantEvents = null
        _this.validMutation = null
        // okay to keep eventInstance around. useful to set it in handlePointerDown
      }
      var component = settings.component
      var dragging = (_this.dragging = new FeaturefulElementDragging(settings.el))
      dragging.pointer.selector = '.fc-event-resizer'
      dragging.touchScrollAllowed = false
      dragging.autoScroller.isEnabled = component.context.options.dragScroll
      var hitDragging = (_this.hitDragging = new HitDragging(_this.dragging, interactionSettingsToStore(settings)))
      hitDragging.emitter.on('pointerdown', _this.handlePointerDown)
      hitDragging.emitter.on('dragstart', _this.handleDragStart)
      hitDragging.emitter.on('hitupdate', _this.handleHitUpdate)
      hitDragging.emitter.on('dragend', _this.handleDragEnd)
      return _this
    }
    EventResizing.prototype.destroy = function () {
      this.dragging.destroy()
    }
    EventResizing.prototype.querySegEl = function (ev) {
      return elementClosest(ev.subjectEl, '.fc-event')
    }
    return EventResizing
  })(Interaction)
  function computeMutation(hit0, hit1, isFromStart, instanceRange, transforms) {
    var dateEnv = hit0.component.context.dateEnv
    var date0 = hit0.dateSpan.range.start
    var date1 = hit1.dateSpan.range.start
    var delta = diffDates(date0, date1, dateEnv, hit0.component.largeUnit)
    var props = {}
    for (var _i = 0, transforms_1 = transforms; _i < transforms_1.length; _i++) {
      var transform = transforms_1[_i]
      var res = transform(hit0, hit1)
      if (res === false) {
        return null
      }
      if (res) {
        __assign(props, res)
      }
    }
    if (isFromStart) {
      if (dateEnv.add(instanceRange.start, delta) < instanceRange.end) {
        props.startDelta = delta
        return props
      }
    } else if (dateEnv.add(instanceRange.end, delta) > instanceRange.start) {
      props.endDelta = delta
      return props
    }
    return null
  }

  var UnselectAuto = /** @class */ (function () {
    function UnselectAuto(context) {
      var _this = this
      this.context = context
      this.isRecentPointerDateSelect = false // wish we could use a selector to detect date selection, but uses hit system
      this.matchesCancel = false
      this.matchesEvent = false
      this.onSelect = function (selectInfo) {
        if (selectInfo.jsEvent) {
          _this.isRecentPointerDateSelect = true
        }
      }
      this.onDocumentPointerDown = function (pev) {
        var unselectCancel = _this.context.options.unselectCancel
        var downEl = pev.origEvent.target
        _this.matchesCancel = !!elementClosest(downEl, unselectCancel)
        _this.matchesEvent = !!elementClosest(downEl, EventDragging.SELECTOR) // interaction started on an event?
      }
      this.onDocumentPointerUp = function (pev) {
        var context = _this.context
        var documentPointer = _this.documentPointer
        var calendarState = context.getCurrentData()
        // touch-scrolling should never unfocus any type of selection
        if (!documentPointer.wasTouchScroll) {
          if (
            calendarState.dateSelection && // an existing date selection?
            !_this.isRecentPointerDateSelect // a new pointer-initiated date selection since last onDocumentPointerUp?
          ) {
            var unselectAuto = context.options.unselectAuto
            if (unselectAuto && (!unselectAuto || !_this.matchesCancel)) {
              context.calendarApi.unselect(pev)
            }
          }
          if (
            calendarState.eventSelection && // an existing event selected?
            !_this.matchesEvent // interaction DIDN'T start on an event
          ) {
            context.dispatch({ type: 'UNSELECT_EVENT' })
          }
        }
        _this.isRecentPointerDateSelect = false
      }
      var documentPointer = (this.documentPointer = new PointerDragging(document))
      documentPointer.shouldIgnoreMove = true
      documentPointer.shouldWatchScroll = false
      documentPointer.emitter.on('pointerdown', this.onDocumentPointerDown)
      documentPointer.emitter.on('pointerup', this.onDocumentPointerUp)
      /*
            TODO: better way to know about whether there was a selection with the pointer
            */
      context.emitter.on('select', this.onSelect)
    }
    UnselectAuto.prototype.destroy = function () {
      this.context.emitter.off('select', this.onSelect)
      this.documentPointer.destroy()
    }
    return UnselectAuto
  })()

  var OPTION_REFINERS = {
    fixedMirrorParent: identity,
  }
  var LISTENER_REFINERS = {
    dateClick: identity,
    eventDragStart: identity,
    eventDragStop: identity,
    eventDrop: identity,
    eventResizeStart: identity,
    eventResizeStop: identity,
    eventResize: identity,
    drop: identity,
    eventReceive: identity,
    eventLeave: identity,
  }

  /*
    Given an already instantiated draggable object for one-or-more elements,
    Interprets any dragging as an attempt to drag an events that lives outside
    of a calendar onto a calendar.
    */
  var ExternalElementDragging = /** @class */ (function () {
    function ExternalElementDragging(dragging, suppliedDragMeta) {
      var _this = this
      this.receivingContext = null
      this.droppableEvent = null // will exist for all drags, even if create:false
      this.suppliedDragMeta = null
      this.dragMeta = null
      this.handleDragStart = function (ev) {
        _this.dragMeta = _this.buildDragMeta(ev.subjectEl)
      }
      this.handleHitUpdate = function (hit, isFinal, ev) {
        var dragging = _this.hitDragging.dragging
        var receivingContext = null
        var droppableEvent = null
        var isInvalid = false
        var interaction = {
          affectedEvents: createEmptyEventStore(),
          mutatedEvents: createEmptyEventStore(),
          isEvent: _this.dragMeta.create,
        }
        if (hit) {
          receivingContext = hit.component.context
          if (_this.canDropElOnCalendar(ev.subjectEl, receivingContext)) {
            droppableEvent = computeEventForDateSpan(hit.dateSpan, _this.dragMeta, receivingContext)
            interaction.mutatedEvents = eventTupleToStore(droppableEvent)
            isInvalid = !isInteractionValid(interaction, receivingContext)
            if (isInvalid) {
              interaction.mutatedEvents = createEmptyEventStore()
              droppableEvent = null
            }
          }
        }
        _this.displayDrag(receivingContext, interaction)
        // show mirror if no already-rendered mirror element OR if we are shutting down the mirror (?)
        // TODO: wish we could somehow wait for dispatch to guarantee render
        dragging.setMirrorIsVisible(isFinal || !droppableEvent || !document.querySelector('.fc-event-mirror'))
        if (!isInvalid) {
          enableCursor()
        } else {
          disableCursor()
        }
        if (!isFinal) {
          dragging.setMirrorNeedsRevert(!droppableEvent)
          _this.receivingContext = receivingContext
          _this.droppableEvent = droppableEvent
        }
      }
      this.handleDragEnd = function (pev) {
        var _a = _this,
          receivingContext = _a.receivingContext,
          droppableEvent = _a.droppableEvent
        _this.clearDrag()
        if (receivingContext && droppableEvent) {
          var finalHit = _this.hitDragging.finalHit
          var finalView = finalHit.component.context.viewApi
          var dragMeta = _this.dragMeta
          receivingContext.emitter.trigger(
            'drop',
            __assign(__assign({}, buildDatePointApiWithContext(finalHit.dateSpan, receivingContext)), {
              draggedEl: pev.subjectEl,
              jsEvent: pev.origEvent,
              view: finalView,
            })
          )
          if (dragMeta.create) {
            var addingEvents_1 = eventTupleToStore(droppableEvent)
            receivingContext.dispatch({
              type: 'MERGE_EVENTS',
              eventStore: addingEvents_1,
            })
            if (pev.isTouch) {
              receivingContext.dispatch({
                type: 'SELECT_EVENT',
                eventInstanceId: droppableEvent.instance.instanceId,
              })
            }
            // signal that an external event landed
            receivingContext.emitter.trigger('eventReceive', {
              event: new EventApi(receivingContext, droppableEvent.def, droppableEvent.instance),
              relatedEvents: [],
              revert: function () {
                receivingContext.dispatch({
                  type: 'REMOVE_EVENTS',
                  eventStore: addingEvents_1,
                })
              },
              draggedEl: pev.subjectEl,
              view: finalView,
            })
          }
        }
        _this.receivingContext = null
        _this.droppableEvent = null
      }
      var hitDragging = (this.hitDragging = new HitDragging(dragging, interactionSettingsStore))
      hitDragging.requireInitial = false // will start outside of a component
      hitDragging.emitter.on('dragstart', this.handleDragStart)
      hitDragging.emitter.on('hitupdate', this.handleHitUpdate)
      hitDragging.emitter.on('dragend', this.handleDragEnd)
      this.suppliedDragMeta = suppliedDragMeta
    }
    ExternalElementDragging.prototype.buildDragMeta = function (subjectEl) {
      if (typeof this.suppliedDragMeta === 'object') {
        return parseDragMeta(this.suppliedDragMeta)
      }
      if (typeof this.suppliedDragMeta === 'function') {
        return parseDragMeta(this.suppliedDragMeta(subjectEl))
      }
      return getDragMetaFromEl(subjectEl)
    }
    ExternalElementDragging.prototype.displayDrag = function (nextContext, state) {
      var prevContext = this.receivingContext
      if (prevContext && prevContext !== nextContext) {
        prevContext.dispatch({ type: 'UNSET_EVENT_DRAG' })
      }
      if (nextContext) {
        nextContext.dispatch({ type: 'SET_EVENT_DRAG', state: state })
      }
    }
    ExternalElementDragging.prototype.clearDrag = function () {
      if (this.receivingContext) {
        this.receivingContext.dispatch({ type: 'UNSET_EVENT_DRAG' })
      }
    }
    ExternalElementDragging.prototype.canDropElOnCalendar = function (el, receivingContext) {
      var dropAccept = receivingContext.options.dropAccept
      if (typeof dropAccept === 'function') {
        return dropAccept.call(receivingContext.calendarApi, el)
      }
      if (typeof dropAccept === 'string' && dropAccept) {
        return Boolean(elementMatches(el, dropAccept))
      }
      return true
    }
    return ExternalElementDragging
  })()
  // Utils for computing event store from the DragMeta
  // ----------------------------------------------------------------------------------------------------
  function computeEventForDateSpan(dateSpan, dragMeta, context) {
    var defProps = __assign({}, dragMeta.leftoverProps)
    for (var _i = 0, _a = context.pluginHooks.externalDefTransforms; _i < _a.length; _i++) {
      var transform = _a[_i]
      __assign(defProps, transform(dateSpan, dragMeta))
    }
    var _b = refineEventDef(defProps, context),
      refined = _b.refined,
      extra = _b.extra
    var def = parseEventDef(
      refined,
      extra,
      dragMeta.sourceId,
      dateSpan.allDay,
      context.options.forceEventDuration || Boolean(dragMeta.duration), // hasEnd
      context
    )
    var start = dateSpan.range.start
    // only rely on time info if drop zone is all-day,
    // otherwise, we already know the time
    if (dateSpan.allDay && dragMeta.startTime) {
      start = context.dateEnv.add(start, dragMeta.startTime)
    }
    var end = dragMeta.duration ? context.dateEnv.add(start, dragMeta.duration) : getDefaultEventEnd(dateSpan.allDay, start, context)
    var instance = createEventInstance(def.defId, { start: start, end: end })
    return { def: def, instance: instance }
  }
  // Utils for extracting data from element
  // ----------------------------------------------------------------------------------------------------
  function getDragMetaFromEl(el) {
    var str = getEmbeddedElData(el, 'event')
    var obj = str ? JSON.parse(str) : { create: false } // if no embedded data, assume no event creation
    return parseDragMeta(obj)
  }
  config.dataAttrPrefix = ''
  function getEmbeddedElData(el, name) {
    var prefix = config.dataAttrPrefix
    var prefixedName = (prefix ? prefix + '-' : '') + name
    return el.getAttribute('data-' + prefixedName) || ''
  }

  /*
    Makes an element (that is *external* to any calendar) draggable.
    Can pass in data that determines how an event will be created when dropped onto a calendar.
    Leverages FullCalendar's internal drag-n-drop functionality WITHOUT a third-party drag system.
    */
  var ExternalDraggable = /** @class */ (function () {
    function ExternalDraggable(el, settings) {
      var _this = this
      if (settings === void 0) {
        settings = {}
      }
      this.handlePointerDown = function (ev) {
        var dragging = _this.dragging
        var _a = _this.settings,
          minDistance = _a.minDistance,
          longPressDelay = _a.longPressDelay
        dragging.minDistance = minDistance != null ? minDistance : ev.isTouch ? 0 : BASE_OPTION_DEFAULTS.eventDragMinDistance
        dragging.delay = ev.isTouch // TODO: eventually read eventLongPressDelay instead vvv
          ? longPressDelay != null
            ? longPressDelay
            : BASE_OPTION_DEFAULTS.longPressDelay
          : 0
      }
      this.handleDragStart = function (ev) {
        if (ev.isTouch && _this.dragging.delay && ev.subjectEl.classList.contains('fc-event')) {
          _this.dragging.mirror.getMirrorEl().classList.add('fc-event-selected')
        }
      }
      this.settings = settings
      var dragging = (this.dragging = new FeaturefulElementDragging(el))
      dragging.touchScrollAllowed = false
      if (settings.itemSelector != null) {
        dragging.pointer.selector = settings.itemSelector
      }
      if (settings.appendTo != null) {
        dragging.mirror.parentNode = settings.appendTo // TODO: write tests
      }
      dragging.emitter.on('pointerdown', this.handlePointerDown)
      dragging.emitter.on('dragstart', this.handleDragStart)
      new ExternalElementDragging(dragging, settings.eventData) // eslint-disable-line no-new
    }
    ExternalDraggable.prototype.destroy = function () {
      this.dragging.destroy()
    }
    return ExternalDraggable
  })()

  /*
    Detects when a *THIRD-PARTY* drag-n-drop system interacts with elements.
    The third-party system is responsible for drawing the visuals effects of the drag.
    This class simply monitors for pointer movements and fires events.
    It also has the ability to hide the moving element (the "mirror") during the drag.
    */
  var InferredElementDragging = /** @class */ (function (_super) {
    __extends(InferredElementDragging, _super)
    function InferredElementDragging(containerEl) {
      var _this = _super.call(this, containerEl) || this
      _this.shouldIgnoreMove = false
      _this.mirrorSelector = ''
      _this.currentMirrorEl = null
      _this.handlePointerDown = function (ev) {
        _this.emitter.trigger('pointerdown', ev)
        if (!_this.shouldIgnoreMove) {
          // fire dragstart right away. does not support delay or min-distance
          _this.emitter.trigger('dragstart', ev)
        }
      }
      _this.handlePointerMove = function (ev) {
        if (!_this.shouldIgnoreMove) {
          _this.emitter.trigger('dragmove', ev)
        }
      }
      _this.handlePointerUp = function (ev) {
        _this.emitter.trigger('pointerup', ev)
        if (!_this.shouldIgnoreMove) {
          // fire dragend right away. does not support a revert animation
          _this.emitter.trigger('dragend', ev)
        }
      }
      var pointer = (_this.pointer = new PointerDragging(containerEl))
      pointer.emitter.on('pointerdown', _this.handlePointerDown)
      pointer.emitter.on('pointermove', _this.handlePointerMove)
      pointer.emitter.on('pointerup', _this.handlePointerUp)
      return _this
    }
    InferredElementDragging.prototype.destroy = function () {
      this.pointer.destroy()
    }
    InferredElementDragging.prototype.setIgnoreMove = function (bool) {
      this.shouldIgnoreMove = bool
    }
    InferredElementDragging.prototype.setMirrorIsVisible = function (bool) {
      if (bool) {
        // restore a previously hidden element.
        // use the reference in case the selector class has already been removed.
        if (this.currentMirrorEl) {
          this.currentMirrorEl.style.visibility = ''
          this.currentMirrorEl = null
        }
      } else {
        var mirrorEl = this.mirrorSelector ? document.querySelector(this.mirrorSelector) : null
        if (mirrorEl) {
          this.currentMirrorEl = mirrorEl
          mirrorEl.style.visibility = 'hidden'
        }
      }
    }
    return InferredElementDragging
  })(ElementDragging)

  /*
    Bridges third-party drag-n-drop systems with FullCalendar.
    Must be instantiated and destroyed by caller.
    */
  var ThirdPartyDraggable = /** @class */ (function () {
    function ThirdPartyDraggable(containerOrSettings, settings) {
      var containerEl = document
      if (
        // wish we could just test instanceof EventTarget, but doesn't work in IE11
        containerOrSettings === document ||
        containerOrSettings instanceof Element
      ) {
        containerEl = containerOrSettings
        settings = settings || {}
      } else {
        settings = containerOrSettings || {}
      }
      var dragging = (this.dragging = new InferredElementDragging(containerEl))
      if (typeof settings.itemSelector === 'string') {
        dragging.pointer.selector = settings.itemSelector
      } else if (containerEl === document) {
        dragging.pointer.selector = '[data-event]'
      }
      if (typeof settings.mirrorSelector === 'string') {
        dragging.mirrorSelector = settings.mirrorSelector
      }
      new ExternalElementDragging(dragging, settings.eventData) // eslint-disable-line no-new
    }
    ThirdPartyDraggable.prototype.destroy = function () {
      this.dragging.destroy()
    }
    return ThirdPartyDraggable
  })()

  var interactionPlugin = createPlugin({
    componentInteractions: [DateClicking, DateSelecting, EventDragging, EventResizing],
    calendarInteractions: [UnselectAuto],
    elementDraggingImpl: FeaturefulElementDragging,
    optionRefiners: OPTION_REFINERS,
    listenerRefiners: LISTENER_REFINERS,
  })

  /* An abstract class for the daygrid views, as well as month view. Renders one or more rows of day cells.
    ----------------------------------------------------------------------------------------------------------------------*/
  // It is a manager for a Table subcomponent, which does most of the heavy lifting.
  // It is responsible for managing width/height.
  var TableView = /** @class */ (function (_super) {
    __extends(TableView, _super)
    function TableView() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this
      _this.headerElRef = createRef()
      return _this
    }
    TableView.prototype.renderSimpleLayout = function (headerRowContent, bodyContent) {
      var _a = this,
        props = _a.props,
        context = _a.context
      var sections = []
      var stickyHeaderDates = getStickyHeaderDates(context.options)
      if (headerRowContent) {
        sections.push({
          type: 'header',
          key: 'header',
          isSticky: stickyHeaderDates,
          chunk: {
            elRef: this.headerElRef,
            tableClassName: 'fc-col-header',
            rowContent: headerRowContent,
          },
        })
      }
      sections.push({
        type: 'body',
        key: 'body',
        liquid: true,
        chunk: { content: bodyContent },
      })
      return createElement(ViewRoot, { viewSpec: context.viewSpec }, function (rootElRef, classNames) {
        return createElement(
          'div',
          {
            ref: rootElRef,
            className: ['fc-daygrid'].concat(classNames).join(' '),
          },
          createElement(SimpleScrollGrid, {
            liquid: !props.isHeightAuto && !props.forPrint,
            cols: [] /* TODO: make optional? */,
            sections: sections,
          })
        )
      })
    }
    TableView.prototype.renderHScrollLayout = function (headerRowContent, bodyContent, colCnt, dayMinWidth) {
      var ScrollGrid = this.context.pluginHooks.scrollGridImpl
      if (!ScrollGrid) {
        throw new Error('No ScrollGrid implementation')
      }
      var _a = this,
        props = _a.props,
        context = _a.context
      var stickyHeaderDates = !props.forPrint && getStickyHeaderDates(context.options)
      var stickyFooterScrollbar = !props.forPrint && getStickyFooterScrollbar(context.options)
      var sections = []
      if (headerRowContent) {
        sections.push({
          type: 'header',
          key: 'header',
          isSticky: stickyHeaderDates,
          chunks: [
            {
              key: 'main',
              elRef: this.headerElRef,
              tableClassName: 'fc-col-header',
              rowContent: headerRowContent,
            },
          ],
        })
      }
      sections.push({
        type: 'body',
        key: 'body',
        liquid: true,
        chunks: [
          {
            key: 'main',
            content: bodyContent,
          },
        ],
      })
      if (stickyFooterScrollbar) {
        sections.push({
          type: 'footer',
          key: 'footer',
          isSticky: true,
          chunks: [
            {
              key: 'main',
              content: renderScrollShim,
            },
          ],
        })
      }
      return createElement(ViewRoot, { viewSpec: context.viewSpec }, function (rootElRef, classNames) {
        return createElement(
          'div',
          {
            ref: rootElRef,
            className: ['fc-daygrid'].concat(classNames).join(' '),
          },
          createElement(ScrollGrid, {
            liquid: !props.isHeightAuto && !props.forPrint,
            colGroups: [{ cols: [{ span: colCnt, minWidth: dayMinWidth }] }],
            sections: sections,
          })
        )
      })
    }
    return TableView
  })(DateComponent)

  function splitSegsByRow(segs, rowCnt) {
    var byRow = []
    for (var i = 0; i < rowCnt; i += 1) {
      byRow[i] = []
    }
    for (var _i = 0, segs_1 = segs; _i < segs_1.length; _i++) {
      var seg = segs_1[_i]
      byRow[seg.row].push(seg)
    }
    return byRow
  }
  function splitSegsByFirstCol(segs, colCnt) {
    var byCol = []
    for (var i = 0; i < colCnt; i += 1) {
      byCol[i] = []
    }
    for (var _i = 0, segs_2 = segs; _i < segs_2.length; _i++) {
      var seg = segs_2[_i]
      byCol[seg.firstCol].push(seg)
    }
    return byCol
  }
  function splitInteractionByRow(ui, rowCnt) {
    var byRow = []
    if (!ui) {
      for (var i = 0; i < rowCnt; i += 1) {
        byRow[i] = null
      }
    } else {
      for (var i = 0; i < rowCnt; i += 1) {
        byRow[i] = {
          affectedInstances: ui.affectedInstances,
          isEvent: ui.isEvent,
          segs: [],
        }
      }
      for (var _i = 0, _a = ui.segs; _i < _a.length; _i++) {
        var seg = _a[_i]
        byRow[seg.row].segs.push(seg)
      }
    }
    return byRow
  }

  var TableCellTop = /** @class */ (function (_super) {
    __extends(TableCellTop, _super)
    function TableCellTop() {
      return (_super !== null && _super.apply(this, arguments)) || this
    }
    TableCellTop.prototype.render = function () {
      var props = this.props
      var navLinkAttrs = this.context.options.navLinks ? { 'data-navlink': buildNavLinkData(props.date), tabIndex: 0 } : {}
      return createElement(
        DayCellContent,
        {
          date: props.date,
          dateProfile: props.dateProfile,
          todayRange: props.todayRange,
          showDayNumber: props.showDayNumber,
          extraHookProps: props.extraHookProps,
          defaultContent: renderTopInner,
        },
        function (innerElRef, innerContent) {
          var innerTxt = ''
          //增加节气显示
          var cTerm = lunar(props.date).term
          //增加节日显示
          var fes = lunar(props.date).festival()
          //无节日节气时，增加农历显示
          var lc = lunar(props.date).lDate
          if (lc === '初一') {
            lc = `${lunar(props.date).lMonth}月`
          }

          if (fes && fes.length > 0) {
            innerTxt = fes[0].desc
          } else if (cTerm) {
            innerTxt = cTerm
          } else {
            innerTxt = lc
          }

          if (innerContent && innerContent.props && isNaN(innerContent.props.children)) {
            innerContent.props.children = props.date.getDate()
          }
          return (
            (innerContent || props.forceDayTop) &&
            createElement(
              'div',
              { className: 'fc-daygrid-day-top', ref: innerElRef },
              createElement('a', __assign({ className: 'fc-daygrid-day-number' }, navLinkAttrs), innerContent || createElement(Fragment, null, '\u00A0')),
              createElement('span', { className: 'fc-daygrid-day-text' }, innerTxt || createElement(Fragment, null, '\u00A0'))
            )
          )
        }
      )
    }
    return TableCellTop
  })(BaseComponent)
  function renderTopInner(props) {
    return props.dayNumberText
  }

  var DEFAULT_WEEK_NUM_FORMAT = createFormatter({ week: 'narrow' })
  var TableCell = /** @class */ (function (_super) {
    __extends(TableCell, _super)
    function TableCell() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this
      _this.handleRootEl = function (el) {
        _this.rootEl = el
        setRef(_this.props.elRef, el)
      }
      _this.handleMoreLinkClick = function (ev) {
        var props = _this.props
        if (props.onMoreClick) {
          var allSegs = props.segsByEachCol
          var hiddenSegs = allSegs.filter(function (seg) {
            return props.segIsHidden[seg.eventRange.instance.instanceId]
          })
          props.onMoreClick({
            date: props.date,
            allSegs: allSegs,
            hiddenSegs: hiddenSegs,
            moreCnt: props.moreCnt,
            dayEl: _this.rootEl,
            ev: ev,
          })
        }
      }
      return _this
    }
    TableCell.prototype.render = function () {
      var _this = this
      var _a = this.context,
        options = _a.options,
        viewApi = _a.viewApi
      var props = this.props
      var date = props.date,
        dateProfile = props.dateProfile
      var hookProps = {
        num: props.moreCnt,
        text: props.buildMoreLinkText(props.moreCnt),
        view: viewApi,
      }
      var navLinkAttrs = options.navLinks ? { 'data-navlink': buildNavLinkData(date, 'week'), tabIndex: 0 } : {}
      return createElement(
        DayCellRoot,
        {
          date: date,
          dateProfile: dateProfile,
          todayRange: props.todayRange,
          showDayNumber: props.showDayNumber,
          extraHookProps: props.extraHookProps,
          elRef: this.handleRootEl,
        },
        function (dayElRef, dayClassNames, rootDataAttrs, isDisabled) {
          return createElement(
            'td',
            __assign(
              {
                ref: dayElRef,
                className: ['fc-daygrid-day'].concat(dayClassNames, props.extraClassNames || []).join(' '),
              },
              rootDataAttrs,
              props.extraDataAttrs
            ),
            createElement(
              'div',
              {
                className: 'fc-daygrid-day-frame fc-scrollgrid-sync-inner',
                ref: props.innerElRef /* different from hook system! RENAME */,
              },
              props.showWeekNumber &&
                createElement(WeekNumberRoot, { date: date, defaultFormat: DEFAULT_WEEK_NUM_FORMAT }, function (weekElRef, weekClassNames, innerElRef, innerContent) {
                  return createElement(
                    'a',
                    __assign(
                      {
                        ref: weekElRef,
                        className: ['fc-daygrid-week-number'].concat(weekClassNames).join(' '),
                      },
                      navLinkAttrs
                    ),
                    innerContent
                  )
                }),
              !isDisabled &&
                createElement(TableCellTop, {
                  date: date,
                  dateProfile: dateProfile,
                  showDayNumber: props.showDayNumber,
                  forceDayTop: props.forceDayTop,
                  todayRange: props.todayRange,
                  extraHookProps: props.extraHookProps,
                }),
              createElement(
                'div',
                {
                  className: 'fc-daygrid-day-events',
                  ref: props.fgContentElRef,
                  style: { paddingBottom: props.fgPaddingBottom },
                },
                props.fgContent,
                Boolean(props.moreCnt) &&
                  createElement(
                    'div',
                    {
                      className: 'fc-daygrid-day-bottom',
                      style: { marginTop: props.moreMarginTop },
                    },
                    createElement(
                      RenderHook,
                      {
                        hookProps: hookProps,
                        classNames: options.moreLinkClassNames,
                        content: options.moreLinkContent,
                        defaultContent: renderMoreLinkInner,
                        didMount: options.moreLinkDidMount,
                        willUnmount: options.moreLinkWillUnmount,
                      },
                      function (rootElRef, classNames, innerElRef, innerContent) {
                        return createElement(
                          'a',
                          {
                            ref: rootElRef,
                            className: ['fc-daygrid-more-link'].concat(classNames).join(' '),
                            onClick: _this.handleMoreLinkClick,
                          },
                          innerContent
                        )
                      }
                    )
                  )
              ),
              createElement('div', { className: 'fc-daygrid-day-bg' }, props.bgContent)
            )
          )
        }
      )
    }
    return TableCell
  })(DateComponent)
  TableCell.addPropsEquality({
    onMoreClick: true,
  })
  function renderMoreLinkInner(props) {
    return props.text
  }

  var DEFAULT_TABLE_EVENT_TIME_FORMAT = createFormatter({
    hour: 'numeric',
    minute: '2-digit',
    omitZeroMinute: true,
    meridiem: 'narrow',
  })
  function hasListItemDisplay(seg) {
    var display = seg.eventRange.ui.display
    return (
      display === 'list-item' ||
      (display === 'auto' &&
        !seg.eventRange.def.allDay &&
        seg.firstCol === seg.lastCol && // can't be multi-day
        seg.isStart && // "
        seg.isEnd) // "
    )
  }

  var TableListItemEvent = /** @class */ (function (_super) {
    __extends(TableListItemEvent, _super)
    function TableListItemEvent() {
      return (_super !== null && _super.apply(this, arguments)) || this
    }
    TableListItemEvent.prototype.render = function () {
      var _a = this,
        props = _a.props,
        context = _a.context
      var timeFormat = context.options.eventTimeFormat || DEFAULT_TABLE_EVENT_TIME_FORMAT
      var timeText = buildSegTimeText(props.seg, timeFormat, context, true, props.defaultDisplayEventEnd)
      return createElement(
        EventRoot,
        {
          seg: props.seg,
          timeText: timeText,
          defaultContent: renderInnerContent$2,
          isDragging: props.isDragging,
          isResizing: false,
          isDateSelecting: false,
          isSelected: props.isSelected,
          isPast: props.isPast,
          isFuture: props.isFuture,
          isToday: props.isToday,
        },
        function (rootElRef, classNames, innerElRef, innerContent, innerProps) {
          // TODO 此处增加了style
          return createElement(
            'a',
            __assign(
              {
                className: ['fc-daygrid-event', 'fc-daygrid-dot-event'].concat(classNames).join(' '),
                ref: rootElRef,
                style: {
                  borderColor: innerProps.borderColor || innerProps.backgroundColor,
                  backgroundColor: innerProps.backgroundColor,
                  color: 'var(--fc-event-text-color, #fff)',
                },
              },
              getSegAnchorAttrs$1(props.seg)
            ),
            innerContent
          )
        }
      )
    }
    return TableListItemEvent
  })(BaseComponent)
  function renderInnerContent$2(innerProps) {
    return createElement(
      Fragment,
      null,
      createElement('div', {
        className: 'fc-daygrid-event-dot',
        style: {
          borderColor: innerProps.borderColor || innerProps.backgroundColor,
        },
      }),
      innerProps.timeText && createElement('div', { className: 'fc-event-time' }, innerProps.timeText),
      createElement('div', { className: 'fc-event-title' }, innerProps.event.title || createElement(Fragment, null, '\u00A0'))
    )
  }
  function getSegAnchorAttrs$1(seg) {
    var url = seg.eventRange.def.url
    return url ? { href: url } : {}
  }

  var TableBlockEvent = /** @class */ (function (_super) {
    __extends(TableBlockEvent, _super)
    function TableBlockEvent() {
      return (_super !== null && _super.apply(this, arguments)) || this
    }
    TableBlockEvent.prototype.render = function () {
      var props = this.props
      return createElement(
        StandardEvent,
        __assign({}, props, {
          extraClassNames: ['fc-daygrid-event', 'fc-daygrid-block-event', 'fc-h-event'],
          defaultTimeFormat: DEFAULT_TABLE_EVENT_TIME_FORMAT,
          defaultDisplayEventEnd: props.defaultDisplayEventEnd,
          disableResizing: !props.seg.eventRange.def.allDay,
        })
      )
    }
    return TableBlockEvent
  })(BaseComponent)

  function computeFgSegPlacement(cellModels, segs, dayMaxEvents, dayMaxEventRows, eventHeights, maxContentHeight, colCnt, eventOrderSpecs) {
    // for one row. TODO: print mode?
    var colPlacements = [] // if event spans multiple cols, its present in each col
    var moreCnts = [] // by-col
    var segIsHidden = {}
    var segTops = {} // always populated for each seg
    var segMarginTops = {} // simetimes populated for each seg
    var moreTops = {}
    var paddingBottoms = {} // for each cell's inner-wrapper div
    for (var i = 0; i < colCnt; i += 1) {
      colPlacements.push([])
      moreCnts.push(0)
    }
    segs = sortEventSegs(segs, eventOrderSpecs)
    for (var _i = 0, segs_1 = segs; _i < segs_1.length; _i++) {
      var seg = segs_1[_i]
      var instanceId = seg.eventRange.instance.instanceId
      var eventHeight = eventHeights[instanceId + ':' + seg.firstCol]
      placeSeg(seg, eventHeight || 0) // will keep colPlacements sorted by top
    }
    if (dayMaxEvents === true || dayMaxEventRows === true) {
      limitByMaxHeight(moreCnts, segIsHidden, colPlacements, maxContentHeight) // populates moreCnts/segIsHidden
    } else if (typeof dayMaxEvents === 'number') {
      limitByMaxEvents(moreCnts, segIsHidden, colPlacements, dayMaxEvents) // populates moreCnts/segIsHidden
    } else if (typeof dayMaxEventRows === 'number') {
      limitByMaxRows(moreCnts, segIsHidden, colPlacements, dayMaxEventRows) // populates moreCnts/segIsHidden
    }
    // computes segTops/segMarginTops/moreTops/paddingBottoms
    for (var col = 0; col < colCnt; col += 1) {
      var placements = colPlacements[col]
      var currentNonAbsBottom = 0
      var currentAbsHeight = 0
      for (var _a = 0, placements_1 = placements; _a < placements_1.length; _a++) {
        var placement = placements_1[_a]
        var seg = placement.seg
        if (!segIsHidden[seg.eventRange.instance.instanceId]) {
          segTops[seg.eventRange.instance.instanceId] = placement.top // from top of container
          if (seg.firstCol === seg.lastCol && seg.isStart && seg.isEnd) {
            // TODO: simpler way? NOT DRY
            segMarginTops[seg.eventRange.instance.instanceId] = placement.top - currentNonAbsBottom // from previous seg bottom
            currentAbsHeight = 0
            currentNonAbsBottom = placement.bottom
          } else {
            // multi-col event, abs positioned
            currentAbsHeight = placement.bottom - currentNonAbsBottom
          }
        }
      }
      if (currentAbsHeight) {
        if (moreCnts[col]) {
          moreTops[col] = currentAbsHeight
        } else {
          paddingBottoms[col] = currentAbsHeight
        }
      }
    }
    function placeSeg(seg, segHeight) {
      if (!tryPlaceSegAt(seg, segHeight, 0)) {
        for (var col = seg.firstCol; col <= seg.lastCol; col += 1) {
          for (var _i = 0, _a = colPlacements[col]; _i < _a.length; _i++) {
            // will repeat multi-day segs!!!!!!! bad!!!!!!
            var placement = _a[_i]
            if (tryPlaceSegAt(seg, segHeight, placement.bottom)) {
              return
            }
          }
        }
      }
    }
    function tryPlaceSegAt(seg, segHeight, top) {
      if (canPlaceSegAt(seg, segHeight, top)) {
        for (var col = seg.firstCol; col <= seg.lastCol; col += 1) {
          var placements = colPlacements[col]
          var insertionIndex = 0
          while (insertionIndex < placements.length && top >= placements[insertionIndex].top) {
            insertionIndex += 1
          }
          placements.splice(insertionIndex, 0, {
            seg: seg,
            top: top,
            bottom: top + segHeight,
          })
        }
        return true
      }
      return false
    }
    function canPlaceSegAt(seg, segHeight, top) {
      for (var col = seg.firstCol; col <= seg.lastCol; col += 1) {
        for (var _i = 0, _a = colPlacements[col]; _i < _a.length; _i++) {
          var placement = _a[_i]
          if (top < placement.bottom && top + segHeight > placement.top) {
            // collide?
            return false
          }
        }
      }
      return true
    }
    // what does this do!?
    for (var instanceIdAndFirstCol in eventHeights) {
      if (!eventHeights[instanceIdAndFirstCol]) {
        segIsHidden[instanceIdAndFirstCol.split(':')[0]] = true
      }
    }
    var segsByFirstCol = colPlacements.map(extractFirstColSegs) // operates on the sorted cols
    var segsByEachCol = colPlacements.map(function (placements, col) {
      var segsForCols = extractAllColSegs(placements)
      segsForCols = resliceDaySegs(segsForCols, cellModels[col].date, col)
      return segsForCols
    })
    return {
      segsByFirstCol: segsByFirstCol,
      segsByEachCol: segsByEachCol,
      segIsHidden: segIsHidden,
      segTops: segTops,
      segMarginTops: segMarginTops,
      moreCnts: moreCnts,
      moreTops: moreTops,
      paddingBottoms: paddingBottoms,
    }
  }
  function extractFirstColSegs(oneColPlacements, col) {
    var segs = []
    for (var _i = 0, oneColPlacements_1 = oneColPlacements; _i < oneColPlacements_1.length; _i++) {
      var placement = oneColPlacements_1[_i]
      if (placement.seg.firstCol === col) {
        segs.push(placement.seg)
      }
    }
    return segs
  }
  function extractAllColSegs(oneColPlacements) {
    var segs = []
    for (var _i = 0, oneColPlacements_2 = oneColPlacements; _i < oneColPlacements_2.length; _i++) {
      var placement = oneColPlacements_2[_i]
      segs.push(placement.seg)
    }
    return segs
  }
  function limitByMaxHeight(hiddenCnts, segIsHidden, colPlacements, maxContentHeight) {
    limitEvents(hiddenCnts, segIsHidden, colPlacements, true, function (placement) {
      return placement.bottom <= maxContentHeight
    })
  }
  function limitByMaxEvents(hiddenCnts, segIsHidden, colPlacements, dayMaxEvents) {
    limitEvents(hiddenCnts, segIsHidden, colPlacements, false, function (placement, levelIndex) {
      return levelIndex < dayMaxEvents
    })
  }
  function limitByMaxRows(hiddenCnts, segIsHidden, colPlacements, dayMaxEventRows) {
    limitEvents(hiddenCnts, segIsHidden, colPlacements, true, function (placement, levelIndex) {
      return levelIndex < dayMaxEventRows
    })
  }
  /*
    populates the given hiddenCnts/segIsHidden, which are supplied empty.
    TODO: return them instead
    */
  function limitEvents(hiddenCnts, segIsHidden, colPlacements, _moreLinkConsumesLevel, isPlacementInBounds) {
    var colCnt = hiddenCnts.length
    var segIsVisible = {} // TODO: instead, use segIsHidden with true/false?
    var visibleColPlacements = [] // will mirror colPlacements
    for (var col = 0; col < colCnt; col += 1) {
      visibleColPlacements.push([])
    }
    for (var col = 0; col < colCnt; col += 1) {
      var placements = colPlacements[col]
      var level = 0
      for (var _i = 0, placements_2 = placements; _i < placements_2.length; _i++) {
        var placement = placements_2[_i]
        if (isPlacementInBounds(placement, level)) {
          recordVisible(placement)
        } else {
          recordHidden(placement, level, _moreLinkConsumesLevel)
        }
        // only considered a level if the seg had height
        if (placement.top !== placement.bottom) {
          level += 1
        }
      }
    }
    function recordVisible(placement) {
      var seg = placement.seg
      var instanceId = seg.eventRange.instance.instanceId
      if (!segIsVisible[instanceId]) {
        segIsVisible[instanceId] = true
        for (var col = seg.firstCol; col <= seg.lastCol; col += 1) {
          var destPlacements = visibleColPlacements[col]
          var newPosition = 0
          // insert while keeping top sorted in each column
          while (newPosition < destPlacements.length && placement.top >= destPlacements[newPosition].top) {
            newPosition += 1
          }
          destPlacements.splice(newPosition, 0, placement)
        }
      }
    }
    function recordHidden(placement, currentLevel, moreLinkConsumesLevel) {
      var seg = placement.seg
      var instanceId = seg.eventRange.instance.instanceId
      if (!segIsHidden[instanceId]) {
        segIsHidden[instanceId] = true
        for (var col = seg.firstCol; col <= seg.lastCol; col += 1) {
          hiddenCnts[col] += 1
          var hiddenCnt = hiddenCnts[col]
          if (moreLinkConsumesLevel && hiddenCnt === 1 && currentLevel > 0) {
            var doomedLevel = currentLevel - 1
            while (visibleColPlacements[col].length > doomedLevel) {
              recordHidden(
                visibleColPlacements[col].pop(), // removes
                visibleColPlacements[col].length, // will execute after the pop. will be the index of the removed placement
                false
              )
            }
          }
        }
      }
    }
  }
  // Given the events within an array of segment objects, reslice them to be in a single day
  function resliceDaySegs(segs, dayDate, colIndex) {
    var dayStart = dayDate
    var dayEnd = addDays(dayStart, 1)
    var dayRange = { start: dayStart, end: dayEnd }
    var newSegs = []
    for (var _i = 0, segs_2 = segs; _i < segs_2.length; _i++) {
      var seg = segs_2[_i]
      var eventRange = seg.eventRange
      var origRange = eventRange.range
      var slicedRange = intersectRanges(origRange, dayRange)
      if (slicedRange) {
        newSegs.push(
          __assign(__assign({}, seg), {
            firstCol: colIndex,
            lastCol: colIndex,
            eventRange: {
              def: eventRange.def,
              ui: __assign(__assign({}, eventRange.ui), {
                durationEditable: false,
              }),
              instance: eventRange.instance,
              range: slicedRange,
            },
            isStart: seg.isStart && slicedRange.start.valueOf() === origRange.start.valueOf(),
            isEnd: seg.isEnd && slicedRange.end.valueOf() === origRange.end.valueOf(),
          })
        )
      }
    }
    return newSegs
  }

  var TableRow = /** @class */ (function (_super) {
    __extends(TableRow, _super)
    function TableRow() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this
      _this.cellElRefs = new RefMap() // the <td>
      _this.frameElRefs = new RefMap() // the fc-daygrid-day-frame
      _this.fgElRefs = new RefMap() // the fc-daygrid-day-events
      _this.segHarnessRefs = new RefMap() // indexed by "instanceId:firstCol"
      _this.rootElRef = createRef()
      _this.state = {
        framePositions: null,
        maxContentHeight: null,
        segHeights: {},
      }
      return _this
    }
    TableRow.prototype.render = function () {
      var _this = this
      var _a = this,
        props = _a.props,
        state = _a.state,
        context = _a.context
      var colCnt = props.cells.length
      var businessHoursByCol = splitSegsByFirstCol(props.businessHourSegs, colCnt)
      var bgEventSegsByCol = splitSegsByFirstCol(props.bgEventSegs, colCnt)
      var highlightSegsByCol = splitSegsByFirstCol(this.getHighlightSegs(), colCnt)
      var mirrorSegsByCol = splitSegsByFirstCol(this.getMirrorSegs(), colCnt)
      var _b = computeFgSegPlacement(props.cells, props.fgEventSegs, props.dayMaxEvents, props.dayMaxEventRows, state.segHeights, state.maxContentHeight, colCnt, context.options.eventOrder),
        paddingBottoms = _b.paddingBottoms,
        segsByFirstCol = _b.segsByFirstCol,
        segsByEachCol = _b.segsByEachCol,
        segIsHidden = _b.segIsHidden,
        segTops = _b.segTops,
        segMarginTops = _b.segMarginTops,
        moreCnts = _b.moreCnts,
        moreTops = _b.moreTops
      var selectedInstanceHash = (props.eventDrag && props.eventDrag.affectedInstances) || (props.eventResize && props.eventResize.affectedInstances) || {} // TODO: messy way to compute this
      return createElement(
        'tr',
        { ref: this.rootElRef },
        props.renderIntro && props.renderIntro(),
        props.cells.map(function (cell, col) {
          var normalFgNodes = _this.renderFgSegs(segsByFirstCol[col], segIsHidden, segTops, segMarginTops, selectedInstanceHash, props.todayRange)
          var mirrorFgNodes = _this.renderFgSegs(
            mirrorSegsByCol[col],
            {},
            segTops, // use same tops as real rendering
            {},
            {},
            props.todayRange,
            Boolean(props.eventDrag),
            Boolean(props.eventResize),
            false
          )
          return createElement(TableCell, {
            key: cell.key,
            elRef: _this.cellElRefs.createRef(cell.key),
            innerElRef: _this.frameElRefs.createRef(cell.key) /* FF <td> problem, but okay to use for left/right. TODO: rename prop */,
            dateProfile: props.dateProfile,
            date: cell.date,
            showDayNumber: props.showDayNumbers,
            showWeekNumber: props.showWeekNumbers && col === 0,
            forceDayTop: props.showWeekNumbers /* even displaying weeknum for row, not necessarily day */,
            todayRange: props.todayRange,
            extraHookProps: cell.extraHookProps,
            extraDataAttrs: cell.extraDataAttrs,
            extraClassNames: cell.extraClassNames,
            moreCnt: moreCnts[col],
            buildMoreLinkText: props.buildMoreLinkText,
            onMoreClick: function (arg) {
              props.onMoreClick(__assign(__assign({}, arg), { fromCol: col }))
            },
            segIsHidden: segIsHidden,
            moreMarginTop: moreTops[col] /* rename */,
            segsByEachCol: segsByEachCol[col],
            fgPaddingBottom: paddingBottoms[col],
            fgContentElRef: _this.fgElRefs.createRef(cell.key),
            // Fragment scopes the keys
            fgContent: createElement(Fragment, null, createElement(Fragment, null, normalFgNodes), createElement(Fragment, null, mirrorFgNodes)),
            // Fragment scopes the keys
            bgContent: createElement(
              Fragment,
              null,
              _this.renderFillSegs(highlightSegsByCol[col], 'highlight'),
              _this.renderFillSegs(businessHoursByCol[col], 'non-business'),
              _this.renderFillSegs(bgEventSegsByCol[col], 'bg-event')
            ),
          })
        })
      )
    }
    TableRow.prototype.componentDidMount = function () {
      this.updateSizing(true)
    }
    TableRow.prototype.componentDidUpdate = function (prevProps, prevState) {
      var currentProps = this.props
      this.updateSizing(!isPropsEqual(prevProps, currentProps))
    }
    TableRow.prototype.getHighlightSegs = function () {
      var props = this.props
      if (props.eventDrag && props.eventDrag.segs.length) {
        // messy check
        return props.eventDrag.segs
      }
      if (props.eventResize && props.eventResize.segs.length) {
        // messy check
        return props.eventResize.segs
      }
      return props.dateSelectionSegs
    }
    TableRow.prototype.getMirrorSegs = function () {
      var props = this.props
      if (props.eventResize && props.eventResize.segs.length) {
        // messy check
        return props.eventResize.segs
      }
      return []
    }
    TableRow.prototype.renderFgSegs = function (
      segs,
      segIsHidden, // does NOT mean display:hidden
      segTops,
      segMarginTops,
      selectedInstanceHash,
      todayRange,
      isDragging,
      isResizing,
      isDateSelecting
    ) {
      var context = this.context
      var eventSelection = this.props.eventSelection
      var framePositions = this.state.framePositions
      var defaultDisplayEventEnd = this.props.cells.length === 1 // colCnt === 1
      var nodes = []
      if (framePositions) {
        for (var _i = 0, segs_1 = segs; _i < segs_1.length; _i++) {
          var seg = segs_1[_i]
          var instanceId = seg.eventRange.instance.instanceId
          var isMirror = isDragging || isResizing || isDateSelecting
          var isSelected = selectedInstanceHash[instanceId]
          var isInvisible = segIsHidden[instanceId] || isSelected
          // TODO: simpler way? NOT DRY
          var isAbsolute = segIsHidden[instanceId] || isMirror || seg.firstCol !== seg.lastCol || !seg.isStart || !seg.isEnd
          var marginTop = void 0
          var top_1 = void 0
          var left = void 0
          var right = void 0
          if (isAbsolute) {
            top_1 = segTops[instanceId]
            if (context.isRtl) {
              right = 0
              left = framePositions.lefts[seg.lastCol] - framePositions.lefts[seg.firstCol]
            } else {
              left = 0
              right = framePositions.rights[seg.firstCol] - framePositions.rights[seg.lastCol]
            }
          } else {
            marginTop = segMarginTops[instanceId]
          }
          /*
                    known bug: events that are force to be list-item but span multiple days still take up space in later columns
                    */
          nodes.push(
            createElement(
              'div',
              {
                className: 'fc-daygrid-event-harness' + (isAbsolute ? ' fc-daygrid-event-harness-abs' : ''),
                key: instanceId,
                // in print mode when in mult cols, could collide
                ref: isMirror ? null : this.segHarnessRefs.createRef(instanceId + ':' + seg.firstCol),
                style: {
                  visibility: isInvisible ? 'hidden' : '',
                  marginTop: marginTop || '',
                  top: top_1 || '',
                  left: left || '',
                  right: right || '',
                },
              },
              hasListItemDisplay(seg)
                ? createElement(
                    TableListItemEvent,
                    __assign(
                      {
                        seg: seg,
                        isDragging: isDragging,
                        isSelected: instanceId === eventSelection,
                        defaultDisplayEventEnd: defaultDisplayEventEnd,
                      },
                      getSegMeta(seg, todayRange)
                    )
                  )
                : createElement(
                    TableBlockEvent,
                    __assign(
                      {
                        seg: seg,
                        isDragging: isDragging,
                        isResizing: isResizing,
                        isDateSelecting: isDateSelecting,
                        isSelected: instanceId === eventSelection,
                        defaultDisplayEventEnd: defaultDisplayEventEnd,
                      },
                      getSegMeta(seg, todayRange)
                    )
                  )
            )
          )
        }
      }
      return nodes
    }
    TableRow.prototype.renderFillSegs = function (segs, fillType) {
      var isRtl = this.context.isRtl
      var todayRange = this.props.todayRange
      var framePositions = this.state.framePositions
      var nodes = []
      if (framePositions) {
        for (var _i = 0, segs_2 = segs; _i < segs_2.length; _i++) {
          var seg = segs_2[_i]
          var leftRightCss = isRtl
            ? {
                right: 0,
                left: framePositions.lefts[seg.lastCol] - framePositions.lefts[seg.firstCol],
              }
            : {
                left: 0,
                right: framePositions.rights[seg.firstCol] - framePositions.rights[seg.lastCol],
              }
          nodes.push(
            createElement(
              'div',
              {
                key: buildEventRangeKey(seg.eventRange),
                className: 'fc-daygrid-bg-harness',
                style: leftRightCss,
              },
              fillType === 'bg-event' ? createElement(BgEvent, __assign({ seg: seg }, getSegMeta(seg, todayRange))) : renderFill(fillType)
            )
          )
        }
      }
      return createElement.apply(void 0, __spreadArrays([Fragment, {}], nodes))
    }
    TableRow.prototype.updateSizing = function (isExternalSizingChange) {
      var _a = this,
        props = _a.props,
        frameElRefs = _a.frameElRefs
      if (props.clientWidth !== null) {
        // positioning ready?
        if (isExternalSizingChange) {
          var frameEls = props.cells.map(function (cell) {
            return frameElRefs.currentMap[cell.key]
          })
          if (frameEls.length) {
            var originEl = this.rootElRef.current
            this.setState({
              framePositions: new PositionCache(
                originEl,
                frameEls,
                true, // isHorizontal
                false
              ),
            })
          }
        }
        var limitByContentHeight = props.dayMaxEvents === true || props.dayMaxEventRows === true
        this.setState({
          segHeights: this.computeSegHeights(),
          maxContentHeight: limitByContentHeight ? this.computeMaxContentHeight() : null,
        })
      }
    }
    TableRow.prototype.computeSegHeights = function () {
      return mapHash(this.segHarnessRefs.currentMap, function (eventHarnessEl) {
        return eventHarnessEl.getBoundingClientRect().height
      })
    }
    TableRow.prototype.computeMaxContentHeight = function () {
      var firstKey = this.props.cells[0].key
      var cellEl = this.cellElRefs.currentMap[firstKey]
      var fcContainerEl = this.fgElRefs.currentMap[firstKey]
      return cellEl.getBoundingClientRect().bottom - fcContainerEl.getBoundingClientRect().top
    }
    TableRow.prototype.getCellEls = function () {
      var elMap = this.cellElRefs.currentMap
      return this.props.cells.map(function (cell) {
        return elMap[cell.key]
      })
    }
    return TableRow
  })(DateComponent)
  TableRow.addPropsEquality({
    onMoreClick: true,
  })
  TableRow.addStateEquality({
    segHeights: isPropsEqual,
  })

  var PADDING_FROM_VIEWPORT = 10
  var SCROLL_DEBOUNCE = 10
  var Popover = /** @class */ (function (_super) {
    __extends(Popover, _super)
    function Popover() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this
      _this.repositioner = new DelayedRunner(_this.updateSize.bind(_this))
      _this.handleRootEl = function (el) {
        _this.rootEl = el
        if (_this.props.elRef) {
          setRef(_this.props.elRef, el)
        }
      }
      // Triggered when the user clicks *anywhere* in the document, for the autoHide feature
      _this.handleDocumentMousedown = function (ev) {
        var onClose = _this.props.onClose
        // only hide the popover if the click happened outside the popover
        if (onClose && !_this.rootEl.contains(ev.target)) {
          onClose()
        }
      }
      _this.handleDocumentScroll = function () {
        _this.repositioner.request(SCROLL_DEBOUNCE)
      }
      _this.handleCloseClick = function () {
        var onClose = _this.props.onClose
        if (onClose) {
          onClose()
        }
      }
      return _this
    }
    Popover.prototype.render = function () {
      var theme = this.context.theme
      var props = this.props
      var classNames = ['fc-popover', theme.getClass('popover')].concat(props.extraClassNames || [])
      return createElement(
        'div',
        __assign({ className: classNames.join(' ') }, props.extraAttrs, {
          ref: this.handleRootEl,
        }),
        createElement(
          'div',
          { className: 'fc-popover-header ' + theme.getClass('popoverHeader') },
          createElement('span', { className: 'fc-popover-title' }, props.title),
          createElement('span', {
            className: 'fc-popover-close ' + theme.getIconClass('close'),
            onClick: this.handleCloseClick,
          })
        ),
        createElement('div', { className: 'fc-popover-body ' + theme.getClass('popoverContent') }, props.children)
      )
    }
    Popover.prototype.componentDidMount = function () {
      document.addEventListener('mousedown', this.handleDocumentMousedown)
      document.addEventListener('scroll', this.handleDocumentScroll)
      this.updateSize()
    }
    Popover.prototype.componentWillUnmount = function () {
      document.removeEventListener('mousedown', this.handleDocumentMousedown)
      document.removeEventListener('scroll', this.handleDocumentScroll)
    }
    // TODO: adjust on window resize
    /*
        NOTE: the popover is position:fixed, so coordinates are relative to the viewport
        NOTE: the PARENT calls this as well, on window resize. we would have wanted to use the repositioner,
              but need to ensure that all other components have updated size first (for alignmentEl)
        */
    Popover.prototype.updateSize = function () {
      var _a = this.props,
        alignmentEl = _a.alignmentEl,
        topAlignmentEl = _a.topAlignmentEl
      var rootEl = this.rootEl
      if (!rootEl) {
        return // not sure why this was null, but we shouldn't let external components call updateSize() anyway
      }
      var dims = rootEl.getBoundingClientRect() // only used for width,height
      var alignment = alignmentEl.getBoundingClientRect()
      var top = topAlignmentEl ? topAlignmentEl.getBoundingClientRect().top : alignment.top
      top = Math.min(top, window.innerHeight - dims.height - PADDING_FROM_VIEWPORT)
      top = Math.max(top, PADDING_FROM_VIEWPORT)
      var left
      if (this.context.isRtl) {
        left = alignment.right - dims.width
      } else {
        left = alignment.left
      }
      left = Math.min(left, window.innerWidth - dims.width - PADDING_FROM_VIEWPORT)
      left = Math.max(left, PADDING_FROM_VIEWPORT)
      applyStyle(rootEl, { top: top, left: left })
    }
    return Popover
  })(BaseComponent)

  var MorePopover = /** @class */ (function (_super) {
    __extends(MorePopover, _super)
    function MorePopover() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this
      _this.rootElRef = createRef()
      return _this
    }
    MorePopover.prototype.render = function () {
      var _a = this.context,
        options = _a.options,
        dateEnv = _a.dateEnv
      var props = this.props
      var date = props.date,
        hiddenInstances = props.hiddenInstances,
        todayRange = props.todayRange,
        dateProfile = props.dateProfile,
        selectedInstanceId = props.selectedInstanceId
      var title = dateEnv.format(date, options.dayPopoverFormat)
      return createElement(
        DayCellRoot,
        {
          date: date,
          dateProfile: dateProfile,
          todayRange: todayRange,
          elRef: this.rootElRef,
        },
        function (rootElRef, dayClassNames, dataAttrs) {
          return createElement(
            Popover,
            {
              elRef: rootElRef,
              title: title,
              extraClassNames: ['fc-more-popover'].concat(dayClassNames),
              extraAttrs: dataAttrs,
              onClose: props.onCloseClick,
              alignmentEl: props.alignmentEl,
              topAlignmentEl: props.topAlignmentEl,
            },
            createElement(DayCellContent, { date: date, dateProfile: dateProfile, todayRange: todayRange }, function (innerElRef, innerContent) {
              if (innerContent && innerContent.props && isNaN(innerContent.props.children)) {
                innerContent.props.children = ''
              }
              return innerContent && createElement('div', { className: 'fc-more-popover-misc', ref: innerElRef }, innerContent)
            }),
            props.segs.map(function (seg) {
              var instanceId = seg.eventRange.instance.instanceId
              return createElement(
                'div',
                {
                  className: 'fc-daygrid-event-harness',
                  key: instanceId,
                  style: {
                    visibility: hiddenInstances[instanceId] ? 'hidden' : '',
                  },
                },
                hasListItemDisplay(seg)
                  ? createElement(
                      TableListItemEvent,
                      __assign(
                        {
                          seg: seg,
                          isDragging: false,
                          isSelected: instanceId === selectedInstanceId,
                          defaultDisplayEventEnd: false,
                        },
                        getSegMeta(seg, todayRange)
                      )
                    )
                  : createElement(
                      TableBlockEvent,
                      __assign(
                        {
                          seg: seg,
                          isDragging: false,
                          isResizing: false,
                          isDateSelecting: false,
                          isSelected: instanceId === selectedInstanceId,
                          defaultDisplayEventEnd: false,
                        },
                        getSegMeta(seg, todayRange)
                      )
                    )
              )
            })
          )
        }
      )
    }
    MorePopover.prototype.positionToHit = function (positionLeft, positionTop, originEl) {
      var rootEl = this.rootElRef.current
      if (!originEl || !rootEl) {
        // why?
        return null
      }
      var originRect = originEl.getBoundingClientRect()
      var elRect = rootEl.getBoundingClientRect()
      var newOriginLeft = elRect.left - originRect.left
      var newOriginTop = elRect.top - originRect.top
      var localLeft = positionLeft - newOriginLeft
      var localTop = positionTop - newOriginTop
      var date = this.props.date
      if (
        // ugly way to detect intersection
        localLeft >= 0 &&
        localLeft < elRect.width &&
        localTop >= 0 &&
        localTop < elRect.height
      ) {
        return {
          dateSpan: {
            allDay: true,
            range: { start: date, end: addDays(date, 1) },
          },
          dayEl: rootEl,
          relativeRect: {
            left: newOriginLeft,
            top: newOriginTop,
            right: elRect.width,
            bottom: elRect.height,
          },
          layer: 1,
        }
      }
      return null
    }
    return MorePopover
  })(DateComponent)

  var Table = /** @class */ (function (_super) {
    __extends(Table, _super)
    function Table() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this
      _this.splitBusinessHourSegs = memoize(splitSegsByRow)
      _this.splitBgEventSegs = memoize(splitSegsByRow)
      _this.splitFgEventSegs = memoize(splitSegsByRow)
      _this.splitDateSelectionSegs = memoize(splitSegsByRow)
      _this.splitEventDrag = memoize(splitInteractionByRow)
      _this.splitEventResize = memoize(splitInteractionByRow)
      _this.buildBuildMoreLinkText = memoize(buildBuildMoreLinkText)
      _this.morePopoverRef = createRef()
      _this.rowRefs = new RefMap()
      _this.state = {
        morePopoverState: null,
      }
      _this.handleRootEl = function (rootEl) {
        _this.rootEl = rootEl
        setRef(_this.props.elRef, rootEl)
      }
      // TODO: bad names "more link click" versus "more click"
      _this.handleMoreLinkClick = function (arg) {
        var context = _this.context
        var dateEnv = context.dateEnv
        var clickOption = context.options.moreLinkClick
        function segForPublic(seg) {
          var _a = seg.eventRange,
            def = _a.def,
            instance = _a.instance,
            range = _a.range
          return {
            event: new EventApi(context, def, instance),
            start: dateEnv.toDate(range.start),
            end: dateEnv.toDate(range.end),
            isStart: seg.isStart,
            isEnd: seg.isEnd,
          }
        }
        if (typeof clickOption === 'function') {
          clickOption = clickOption({
            date: dateEnv.toDate(arg.date),
            allDay: true,
            allSegs: arg.allSegs.map(segForPublic),
            hiddenSegs: arg.hiddenSegs.map(segForPublic),
            jsEvent: arg.ev,
            view: context.viewApi,
          }) // hack to handle void
        }
        if (!clickOption || clickOption === 'popover') {
          _this.setState({
            morePopoverState: __assign(__assign({}, arg), {
              currentFgEventSegs: _this.props.fgEventSegs,
              fromRow: arg.fromRow,
              fromCol: arg.fromCol,
            }),
          })
        } else if (typeof clickOption === 'string') {
          // a view name
          context.calendarApi.zoomTo(arg.date, clickOption)
        }
      }
      _this.handleMorePopoverClose = function () {
        _this.setState({
          morePopoverState: null,
        })
      }
      return _this
    }
    Table.prototype.render = function () {
      var _this = this
      var props = this.props
      var dateProfile = props.dateProfile,
        dayMaxEventRows = props.dayMaxEventRows,
        dayMaxEvents = props.dayMaxEvents,
        expandRows = props.expandRows
      var morePopoverState = this.state.morePopoverState
      var rowCnt = props.cells.length
      var businessHourSegsByRow = this.splitBusinessHourSegs(props.businessHourSegs, rowCnt)
      var bgEventSegsByRow = this.splitBgEventSegs(props.bgEventSegs, rowCnt)
      var fgEventSegsByRow = this.splitFgEventSegs(props.fgEventSegs, rowCnt)
      var dateSelectionSegsByRow = this.splitDateSelectionSegs(props.dateSelectionSegs, rowCnt)
      var eventDragByRow = this.splitEventDrag(props.eventDrag, rowCnt)
      var eventResizeByRow = this.splitEventResize(props.eventResize, rowCnt)
      var buildMoreLinkText = this.buildBuildMoreLinkText(this.context.options.moreLinkText)
      var limitViaBalanced = dayMaxEvents === true || dayMaxEventRows === true
      // if rows can't expand to fill fixed height, can't do balanced-height event limit
      // TODO: best place to normalize these options?
      if (limitViaBalanced && !expandRows) {
        limitViaBalanced = false
        dayMaxEventRows = null
        dayMaxEvents = null
      }
      var classNames = ['fc-daygrid-body', limitViaBalanced ? 'fc-daygrid-body-balanced' : 'fc-daygrid-body-unbalanced', expandRows ? '' : 'fc-daygrid-body-natural']
      return createElement(
        'div',
        {
          className: classNames.join(' '),
          ref: this.handleRootEl,
          style: {
            // these props are important to give this wrapper correct dimensions for interactions
            // TODO: if we set it here, can we avoid giving to inner tables?
            width: props.clientWidth,
            minWidth: props.tableMinWidth,
          },
        },
        createElement(NowTimer, { unit: 'day' }, function (nowDate, todayRange) {
          return createElement(
            Fragment,
            null,
            createElement(
              'table',
              {
                className: 'fc-scrollgrid-sync-table',
                style: {
                  width: props.clientWidth,
                  minWidth: props.tableMinWidth,
                  height: expandRows ? props.clientHeight : '',
                },
              },
              props.colGroupNode,
              createElement(
                'tbody',
                null,
                props.cells.map(function (cells, row) {
                  return createElement(TableRow, {
                    ref: _this.rowRefs.createRef(row),
                    key: cells.length ? cells[0].date.toISOString() /* best? or put key on cell? or use diff formatter? */ : row, // in case there are no cells (like when resource view is loading)
                    showDayNumbers: rowCnt > 1,
                    showWeekNumbers: props.showWeekNumbers,
                    todayRange: todayRange,
                    dateProfile: dateProfile,
                    cells: cells,
                    renderIntro: props.renderRowIntro,
                    businessHourSegs: businessHourSegsByRow[row],
                    eventSelection: props.eventSelection,
                    bgEventSegs: bgEventSegsByRow[row].filter(isSegAllDay) /* hack */,
                    fgEventSegs: fgEventSegsByRow[row],
                    dateSelectionSegs: dateSelectionSegsByRow[row],
                    eventDrag: eventDragByRow[row],
                    eventResize: eventResizeByRow[row],
                    dayMaxEvents: dayMaxEvents,
                    dayMaxEventRows: dayMaxEventRows,
                    clientWidth: props.clientWidth,
                    clientHeight: props.clientHeight,
                    buildMoreLinkText: buildMoreLinkText,
                    onMoreClick: function (arg) {
                      _this.handleMoreLinkClick(__assign(__assign({}, arg), { fromRow: row }))
                    },
                  })
                })
              )
            ),
            !props.forPrint &&
              morePopoverState &&
              morePopoverState.currentFgEventSegs === props.fgEventSegs &&
              createElement(MorePopover, {
                ref: _this.morePopoverRef,
                date: morePopoverState.date,
                dateProfile: dateProfile,
                segs: morePopoverState.allSegs,
                alignmentEl: morePopoverState.dayEl,
                topAlignmentEl: rowCnt === 1 ? props.headerAlignElRef.current : null,
                onCloseClick: _this.handleMorePopoverClose,
                selectedInstanceId: props.eventSelection,
                // yuck
                hiddenInstances: (props.eventDrag ? props.eventDrag.affectedInstances : null) || (props.eventResize ? props.eventResize.affectedInstances : null) || {},
                todayRange: todayRange,
              })
          )
        })
      )
    }
    // Hit System
    // ----------------------------------------------------------------------------------------------------
    Table.prototype.prepareHits = function () {
      this.rowPositions = new PositionCache(
        this.rootEl,
        this.rowRefs.collect().map(function (rowObj) {
          return rowObj.getCellEls()[0]
        }), // first cell el in each row. TODO: not optimal
        false,
        true
      )
      this.colPositions = new PositionCache(
        this.rootEl,
        this.rowRefs.currentMap[0].getCellEls(), // cell els in first row
        true, // horizontal
        false
      )
    }
    Table.prototype.positionToHit = function (leftPosition, topPosition) {
      var morePopover = this.morePopoverRef.current
      var morePopoverHit = morePopover ? morePopover.positionToHit(leftPosition, topPosition, this.rootEl) : null
      var morePopoverState = this.state.morePopoverState
      if (morePopoverHit) {
        return __assign({ row: morePopoverState.fromRow, col: morePopoverState.fromCol }, morePopoverHit)
      }
      var _a = this,
        colPositions = _a.colPositions,
        rowPositions = _a.rowPositions
      var col = colPositions.leftToIndex(leftPosition)
      var row = rowPositions.topToIndex(topPosition)
      if (row != null && col != null) {
        return {
          row: row,
          col: col,
          dateSpan: {
            range: this.getCellRange(row, col),
            allDay: true,
          },
          dayEl: this.getCellEl(row, col),
          relativeRect: {
            left: colPositions.lefts[col],
            right: colPositions.rights[col],
            top: rowPositions.tops[row],
            bottom: rowPositions.bottoms[row],
          },
        }
      }
      return null
    }
    Table.prototype.getCellEl = function (row, col) {
      return this.rowRefs.currentMap[row].getCellEls()[col] // TODO: not optimal
    }
    Table.prototype.getCellRange = function (row, col) {
      var start = this.props.cells[row][col].date
      var end = addDays(start, 1)
      return { start: start, end: end }
    }
    return Table
  })(DateComponent)
  function buildBuildMoreLinkText(moreLinkTextInput) {
    if (typeof moreLinkTextInput === 'function') {
      return moreLinkTextInput
    }
    return function (num) {
      return '+' + num + ' ' + moreLinkTextInput
    }
  }
  function isSegAllDay(seg) {
    return seg.eventRange.def.allDay
  }

  var DayTableSlicer = /** @class */ (function (_super) {
    __extends(DayTableSlicer, _super)
    function DayTableSlicer() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this
      _this.forceDayIfListItem = true
      return _this
    }
    DayTableSlicer.prototype.sliceRange = function (dateRange, dayTableModel) {
      return dayTableModel.sliceRange(dateRange)
    }
    return DayTableSlicer
  })(Slicer)

  var DayTable = /** @class */ (function (_super) {
    __extends(DayTable, _super)
    function DayTable() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this
      _this.slicer = new DayTableSlicer()
      _this.tableRef = createRef()
      _this.handleRootEl = function (rootEl) {
        if (rootEl) {
          _this.context.registerInteractiveComponent(_this, { el: rootEl })
        } else {
          _this.context.unregisterInteractiveComponent(_this)
        }
      }
      return _this
    }
    DayTable.prototype.render = function () {
      var _a = this,
        props = _a.props,
        context = _a.context
      return createElement(
        Table,
        __assign({ ref: this.tableRef, elRef: this.handleRootEl }, this.slicer.sliceProps(props, props.dateProfile, props.nextDayThreshold, context, props.dayTableModel), {
          dateProfile: props.dateProfile,
          cells: props.dayTableModel.cells,
          colGroupNode: props.colGroupNode,
          tableMinWidth: props.tableMinWidth,
          renderRowIntro: props.renderRowIntro,
          dayMaxEvents: props.dayMaxEvents,
          dayMaxEventRows: props.dayMaxEventRows,
          showWeekNumbers: props.showWeekNumbers,
          expandRows: props.expandRows,
          headerAlignElRef: props.headerAlignElRef,
          clientWidth: props.clientWidth,
          clientHeight: props.clientHeight,
          forPrint: props.forPrint,
        })
      )
    }
    DayTable.prototype.prepareHits = function () {
      this.tableRef.current.prepareHits()
    }
    DayTable.prototype.queryHit = function (positionLeft, positionTop) {
      var rawHit = this.tableRef.current.positionToHit(positionLeft, positionTop)
      if (rawHit) {
        return {
          component: this,
          dateSpan: rawHit.dateSpan,
          dayEl: rawHit.dayEl,
          rect: {
            left: rawHit.relativeRect.left,
            right: rawHit.relativeRect.right,
            top: rawHit.relativeRect.top,
            bottom: rawHit.relativeRect.bottom,
          },
          layer: 0,
        }
      }
      return null
    }
    return DayTable
  })(DateComponent)

  var DayTableView = /** @class */ (function (_super) {
    __extends(DayTableView, _super)
    function DayTableView() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this
      _this.buildDayTableModel = memoize(buildDayTableModel)
      _this.headerRef = createRef()
      _this.tableRef = createRef()
      return _this
    }
    DayTableView.prototype.render = function () {
      var _this = this
      var _a = this.context,
        options = _a.options,
        dateProfileGenerator = _a.dateProfileGenerator
      var props = this.props
      var dayTableModel = this.buildDayTableModel(props.dateProfile, dateProfileGenerator)
      var headerContent =
        options.dayHeaders &&
        createElement(DayHeader, {
          ref: this.headerRef,
          dateProfile: props.dateProfile,
          dates: dayTableModel.headerDates,
          datesRepDistinctDays: dayTableModel.rowCnt === 1,
        })
      var bodyContent = function (contentArg) {
        return createElement(DayTable, {
          ref: _this.tableRef,
          dateProfile: props.dateProfile,
          dayTableModel: dayTableModel,
          businessHours: props.businessHours,
          dateSelection: props.dateSelection,
          eventStore: props.eventStore,
          eventUiBases: props.eventUiBases,
          eventSelection: props.eventSelection,
          eventDrag: props.eventDrag,
          eventResize: props.eventResize,
          nextDayThreshold: options.nextDayThreshold,
          colGroupNode: contentArg.tableColGroupNode,
          tableMinWidth: contentArg.tableMinWidth,
          dayMaxEvents: options.dayMaxEvents,
          dayMaxEventRows: options.dayMaxEventRows,
          showWeekNumbers: options.weekNumbers,
          expandRows: !props.isHeightAuto,
          headerAlignElRef: _this.headerElRef,
          clientWidth: contentArg.clientWidth,
          clientHeight: contentArg.clientHeight,
          forPrint: props.forPrint,
        })
      }
      return options.dayMinWidth ? this.renderHScrollLayout(headerContent, bodyContent, dayTableModel.colCnt, options.dayMinWidth) : this.renderSimpleLayout(headerContent, bodyContent)
    }
    return DayTableView
  })(TableView)
  function buildDayTableModel(dateProfile, dateProfileGenerator) {
    var daySeries = new DaySeriesModel(dateProfile.renderRange, dateProfileGenerator)
    return new DayTableModel(daySeries, /year|month|week/.test(dateProfile.currentRangeUnit))
  }

  var TableDateProfileGenerator = /** @class */ (function (_super) {
    __extends(TableDateProfileGenerator, _super)
    function TableDateProfileGenerator() {
      return (_super !== null && _super.apply(this, arguments)) || this
    }
    // Computes the date range that will be rendered.
    TableDateProfileGenerator.prototype.buildRenderRange = function (currentRange, currentRangeUnit, isRangeAllDay) {
      var dateEnv = this.props.dateEnv
      var renderRange = _super.prototype.buildRenderRange.call(this, currentRange, currentRangeUnit, isRangeAllDay)
      var start = renderRange.start
      var end = renderRange.end
      var endOfWeek
      // year and month views should be aligned with weeks. this is already done for week
      if (/^(year|month)$/.test(currentRangeUnit)) {
        start = dateEnv.startOfWeek(start)
        // make end-of-week if not already
        endOfWeek = dateEnv.startOfWeek(end)
        if (endOfWeek.valueOf() !== end.valueOf()) {
          end = addWeeks(endOfWeek, 1)
        }
      }
      // ensure 6 weeks
      if (this.props.monthMode && this.props.fixedWeekCount) {
        var rowCnt = Math.ceil(
          // could be partial weeks due to hiddenDays
          diffWeeks(start, end)
        )
        end = addWeeks(end, 6 - rowCnt)
      }
      return { start: start, end: end }
    }
    return TableDateProfileGenerator
  })(DateProfileGenerator)

  var OPTION_REFINERS$1 = {
    moreLinkClick: identity,
    moreLinkClassNames: identity,
    moreLinkContent: identity,
    moreLinkDidMount: identity,
    moreLinkWillUnmount: identity,
  }

  var dayGridPlugin = createPlugin({
    initialView: 'dayGridMonth',
    optionRefiners: OPTION_REFINERS$1,
    views: {
      dayGrid: {
        component: DayTableView,
        dateProfileGeneratorClass: TableDateProfileGenerator,
      },
      dayGridDay: {
        type: 'dayGrid',
        duration: { days: 1 },
      },
      dayGridWeek: {
        type: 'dayGrid',
        duration: { weeks: 1 },
      },
      dayGridMonth: {
        type: 'dayGrid',
        duration: { months: 1 },
        monthMode: true,
        fixedWeekCount: true,
      },
    },
  })

  var AllDaySplitter = /** @class */ (function (_super) {
    __extends(AllDaySplitter, _super)
    function AllDaySplitter() {
      return (_super !== null && _super.apply(this, arguments)) || this
    }
    AllDaySplitter.prototype.getKeyInfo = function () {
      return {
        allDay: {},
        timed: {},
      }
    }
    AllDaySplitter.prototype.getKeysForDateSpan = function (dateSpan) {
      if (dateSpan.allDay) {
        return ['allDay']
      }
      return ['timed']
    }
    AllDaySplitter.prototype.getKeysForEventDef = function (eventDef) {
      if (!eventDef.allDay) {
        return ['timed']
      }
      if (hasBgRendering(eventDef)) {
        return ['timed', 'allDay']
      }
      return ['allDay']
    }
    return AllDaySplitter
  })(Splitter)

  var DEFAULT_SLAT_LABEL_FORMAT = createFormatter({
    hour: 'numeric',
    minute: '2-digit',
    omitZeroMinute: true,
    meridiem: 'short',
  })
  function TimeColsAxisCell(props) {
    var classNames = ['fc-timegrid-slot', 'fc-timegrid-slot-label', props.isLabeled ? 'fc-scrollgrid-shrink' : 'fc-timegrid-slot-minor']
    return createElement(ViewContextType.Consumer, null, function (context) {
      if (!props.isLabeled) {
        return createElement('td', {
          className: classNames.join(' '),
          'data-time': props.isoTimeStr,
        })
      }
      var dateEnv = context.dateEnv,
        options = context.options,
        viewApi = context.viewApi
      var labelFormat = // TODO: fully pre-parse
        options.slotLabelFormat == null ? DEFAULT_SLAT_LABEL_FORMAT : Array.isArray(options.slotLabelFormat) ? createFormatter(options.slotLabelFormat[0]) : createFormatter(options.slotLabelFormat)
      var hookProps = {
        level: 0,
        time: props.time,
        date: dateEnv.toDate(props.date),
        view: viewApi,
        text: dateEnv.format(props.date, labelFormat),
      }
      return createElement(
        RenderHook,
        {
          hookProps: hookProps,
          classNames: options.slotLabelClassNames,
          content: options.slotLabelContent,
          defaultContent: renderInnerContent$3,
          didMount: options.slotLabelDidMount,
          willUnmount: options.slotLabelWillUnmount,
        },
        function (rootElRef, customClassNames, innerElRef, innerContent) {
          return createElement(
            'td',
            {
              ref: rootElRef,
              className: classNames.concat(customClassNames).join(' '),
              'data-time': props.isoTimeStr,
            },
            createElement(
              'div',
              {
                className: 'fc-timegrid-slot-label-frame fc-scrollgrid-shrink-frame',
              },
              createElement(
                'div',
                {
                  className: 'fc-timegrid-slot-label-cushion fc-scrollgrid-shrink-cushion',
                  ref: innerElRef,
                },
                innerContent
              )
            )
          )
        }
      )
    })
  }
  function renderInnerContent$3(props) {
    return props.text
  }

  var TimeBodyAxis = /** @class */ (function (_super) {
    __extends(TimeBodyAxis, _super)
    function TimeBodyAxis() {
      return (_super !== null && _super.apply(this, arguments)) || this
    }
    TimeBodyAxis.prototype.render = function () {
      return this.props.slatMetas.map(function (slatMeta) {
        return createElement('tr', { key: slatMeta.key }, createElement(TimeColsAxisCell, __assign({}, slatMeta)))
      })
    }
    return TimeBodyAxis
  })(BaseComponent)

  var DEFAULT_WEEK_NUM_FORMAT$1 = createFormatter({ week: 'short' })
  var AUTO_ALL_DAY_MAX_EVENT_ROWS = 5
  var TimeColsView = /** @class */ (function (_super) {
    __extends(TimeColsView, _super)
    function TimeColsView() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this
      _this.allDaySplitter = new AllDaySplitter() // for use by subclasses
      _this.headerElRef = createRef()
      _this.rootElRef = createRef()
      _this.scrollerElRef = createRef()
      _this.state = {
        slatCoords: null,
      }
      _this.handleScrollTopRequest = function (scrollTop) {
        var scrollerEl = _this.scrollerElRef.current
        if (scrollerEl) {
          // TODO: not sure how this could ever be null. weirdness with the reducer
          scrollerEl.scrollTop = scrollTop
        }
      }
      /* Header Render Methods
            ------------------------------------------------------------------------------------------------------------------*/
      _this.renderHeadAxis = function (rowKey, frameHeight) {
        if (frameHeight === void 0) {
          frameHeight = ''
        }
        var options = _this.context.options
        var dateProfile = _this.props.dateProfile
        var range = dateProfile.renderRange
        var dayCnt = diffDays(range.start, range.end)
        var navLinkAttrs =
          options.navLinks && dayCnt === 1 // only do in day views (to avoid doing in week views that dont need it)
            ? {
                'data-navlink': buildNavLinkData(range.start, 'week'),
                tabIndex: 0,
              }
            : {}
        if (options.weekNumbers && rowKey === 'day') {
          return createElement(WeekNumberRoot, { date: range.start, defaultFormat: DEFAULT_WEEK_NUM_FORMAT$1 }, function (rootElRef, classNames, innerElRef, innerContent) {
            return createElement(
              'th',
              {
                ref: rootElRef,
                className: ['fc-timegrid-axis', 'fc-scrollgrid-shrink'].concat(classNames).join(' '),
              },
              createElement(
                'div',
                {
                  className: 'fc-timegrid-axis-frame fc-scrollgrid-shrink-frame fc-timegrid-axis-frame-liquid',
                  style: { height: frameHeight },
                },
                createElement(
                  'a',
                  __assign(
                    {
                      ref: innerElRef,
                      className: 'fc-timegrid-axis-cushion fc-scrollgrid-shrink-cushion fc-scrollgrid-sync-inner',
                    },
                    navLinkAttrs
                  ),
                  innerContent
                )
              )
            )
          })
        }
        return createElement(
          'th',
          { className: 'fc-timegrid-axis' },
          createElement('div', {
            className: 'fc-timegrid-axis-frame',
            style: { height: frameHeight },
          })
        )
      }
      /* Table Component Render Methods
            ------------------------------------------------------------------------------------------------------------------*/
      // only a one-way height sync. we don't send the axis inner-content height to the DayGrid,
      // but DayGrid still needs to have classNames on inner elements in order to measure.
      _this.renderTableRowAxis = function (rowHeight) {
        var _a = _this.context,
          options = _a.options,
          viewApi = _a.viewApi
        var hookProps = {
          text: options.allDayText,
          view: viewApi,
        }
        return (
          // TODO: make reusable hook. used in list view too
          createElement(
            RenderHook,
            {
              hookProps: hookProps,
              classNames: options.allDayClassNames,
              content: options.allDayContent,
              defaultContent: renderAllDayInner,
              didMount: options.allDayDidMount,
              willUnmount: options.allDayWillUnmount,
            },
            function (rootElRef, classNames, innerElRef, innerContent) {
              return createElement(
                'td',
                {
                  ref: rootElRef,
                  className: ['fc-timegrid-axis', 'fc-scrollgrid-shrink'].concat(classNames).join(' '),
                },
                createElement(
                  'div',
                  {
                    className: 'fc-timegrid-axis-frame fc-scrollgrid-shrink-frame' + (rowHeight == null ? ' fc-timegrid-axis-frame-liquid' : ''),
                    style: { height: rowHeight },
                  },
                  createElement(
                    'span',
                    {
                      className: 'fc-timegrid-axis-cushion fc-scrollgrid-shrink-cushion fc-scrollgrid-sync-inner',
                      ref: innerElRef,
                    },
                    innerContent
                  )
                )
              )
            }
          )
        )
      }
      _this.handleSlatCoords = function (slatCoords) {
        _this.setState({ slatCoords: slatCoords })
      }
      return _this
    }
    // rendering
    // ----------------------------------------------------------------------------------------------------
    TimeColsView.prototype.renderSimpleLayout = function (headerRowContent, allDayContent, timeContent) {
      var _a = this,
        context = _a.context,
        props = _a.props
      var sections = []
      var stickyHeaderDates = getStickyHeaderDates(context.options)
      if (headerRowContent) {
        sections.push({
          type: 'header',
          key: 'header',
          isSticky: stickyHeaderDates,
          chunk: {
            elRef: this.headerElRef,
            tableClassName: 'fc-col-header',
            rowContent: headerRowContent,
          },
        })
      }
      if (allDayContent) {
        sections.push({
          type: 'body',
          key: 'all-day',
          chunk: { content: allDayContent },
        })
        sections.push({
          type: 'body',
          key: 'all-day-divider',
          // TODO: rename to cellContent so don't need to define <tr>?
          outerContent: createElement(
            'tr',
            { className: 'fc-scrollgrid-section' },
            createElement('td', {
              className: 'fc-timegrid-divider ' + context.theme.getClass('tableCellShaded'),
            })
          ),
        })
      }
      sections.push({
        type: 'body',
        key: 'body',
        liquid: true,
        expandRows: Boolean(context.options.expandRows),
        chunk: {
          scrollerElRef: this.scrollerElRef,
          content: timeContent,
        },
      })
      return createElement(ViewRoot, { viewSpec: context.viewSpec, elRef: this.rootElRef }, function (rootElRef, classNames) {
        return createElement(
          'div',
          {
            className: ['fc-timegrid'].concat(classNames).join(' '),
            ref: rootElRef,
          },
          createElement(SimpleScrollGrid, {
            liquid: !props.isHeightAuto && !props.forPrint,
            cols: [{ width: 'shrink' }],
            sections: sections,
          })
        )
      })
    }
    TimeColsView.prototype.renderHScrollLayout = function (headerRowContent, allDayContent, timeContent, colCnt, dayMinWidth, slatMetas, slatCoords) {
      var _this = this
      var ScrollGrid = this.context.pluginHooks.scrollGridImpl
      if (!ScrollGrid) {
        throw new Error('No ScrollGrid implementation')
      }
      var _a = this,
        context = _a.context,
        props = _a.props
      var stickyHeaderDates = !props.forPrint && getStickyHeaderDates(context.options)
      var stickyFooterScrollbar = !props.forPrint && getStickyFooterScrollbar(context.options)
      var sections = []
      if (headerRowContent) {
        sections.push({
          type: 'header',
          key: 'header',
          isSticky: stickyHeaderDates,
          syncRowHeights: true,
          chunks: [
            {
              key: 'axis',
              rowContent: function (arg) {
                return createElement('tr', null, _this.renderHeadAxis('day', arg.rowSyncHeights[0]))
              },
            },
            {
              key: 'cols',
              elRef: this.headerElRef,
              tableClassName: 'fc-col-header',
              rowContent: headerRowContent,
            },
          ],
        })
      }
      if (allDayContent) {
        sections.push({
          type: 'body',
          key: 'all-day',
          syncRowHeights: true,
          chunks: [
            {
              key: 'axis',
              rowContent: function (contentArg) {
                return createElement('tr', null, _this.renderTableRowAxis(contentArg.rowSyncHeights[0]))
              },
            },
            {
              key: 'cols',
              content: allDayContent,
            },
          ],
        })
        sections.push({
          key: 'all-day-divider',
          type: 'body',
          // TODO: rename to cellContent so don't need to define <tr>?
          outerContent: createElement(
            'tr',
            { className: 'fc-scrollgrid-section' },
            createElement('td', {
              colSpan: 2,
              className: 'fc-timegrid-divider ' + context.theme.getClass('tableCellShaded'),
            })
          ),
        })
      }
      var isNowIndicator = context.options.nowIndicator
      sections.push({
        type: 'body',
        key: 'body',
        liquid: true,
        expandRows: Boolean(context.options.expandRows),
        chunks: [
          {
            key: 'axis',
            content: function (arg) {
              return (
                // TODO: make this now-indicator arrow more DRY with TimeColsContent
                createElement(
                  'div',
                  { className: 'fc-timegrid-axis-chunk' },
                  createElement(
                    'table',
                    {
                      style: { height: arg.expandRows ? arg.clientHeight : '' },
                    },
                    arg.tableColGroupNode,
                    createElement('tbody', null, createElement(TimeBodyAxis, { slatMetas: slatMetas }))
                  ),
                  createElement(
                    'div',
                    { className: 'fc-timegrid-now-indicator-container' },
                    createElement(NowTimer, { unit: isNowIndicator ? 'minute' : 'day' /* hacky */ }, function (nowDate) {
                      var nowIndicatorTop = isNowIndicator && slatCoords && slatCoords.safeComputeTop(nowDate) // might return void
                      if (typeof nowIndicatorTop === 'number') {
                        return createElement(NowIndicatorRoot, { isAxis: true, date: nowDate }, function (rootElRef, classNames, innerElRef, innerContent) {
                          return createElement(
                            'div',
                            {
                              ref: rootElRef,
                              className: ['fc-timegrid-now-indicator-arrow'].concat(classNames).join(' '),
                              style: { top: nowIndicatorTop },
                            },
                            innerContent
                          )
                        })
                      }
                      return null
                    })
                  )
                )
              )
            },
          },
          {
            key: 'cols',
            scrollerElRef: this.scrollerElRef,
            content: timeContent,
          },
        ],
      })
      if (stickyFooterScrollbar) {
        sections.push({
          key: 'footer',
          type: 'footer',
          isSticky: true,
          chunks: [
            {
              key: 'axis',
              content: renderScrollShim,
            },
            {
              key: 'cols',
              content: renderScrollShim,
            },
          ],
        })
      }
      return createElement(ViewRoot, { viewSpec: context.viewSpec, elRef: this.rootElRef }, function (rootElRef, classNames) {
        return createElement(
          'div',
          {
            className: ['fc-timegrid'].concat(classNames).join(' '),
            ref: rootElRef,
          },
          createElement(ScrollGrid, {
            liquid: !props.isHeightAuto && !props.forPrint,
            colGroups: [{ width: 'shrink', cols: [{ width: 'shrink' }] }, { cols: [{ span: colCnt, minWidth: dayMinWidth }] }],
            sections: sections,
          })
        )
      })
    }
    /* Dimensions
        ------------------------------------------------------------------------------------------------------------------*/
    TimeColsView.prototype.getAllDayMaxEventProps = function () {
      var _a = this.context.options,
        dayMaxEvents = _a.dayMaxEvents,
        dayMaxEventRows = _a.dayMaxEventRows
      if (dayMaxEvents === true || dayMaxEventRows === true) {
        // is auto?
        dayMaxEvents = undefined
        dayMaxEventRows = AUTO_ALL_DAY_MAX_EVENT_ROWS // make sure "auto" goes to a real number
      }
      return { dayMaxEvents: dayMaxEvents, dayMaxEventRows: dayMaxEventRows }
    }
    return TimeColsView
  })(DateComponent)
  function renderAllDayInner(hookProps) {
    return hookProps.text
  }

  var TimeColsSlatsCoords = /** @class */ (function () {
    function TimeColsSlatsCoords(positions, dateProfile, slatMetas) {
      this.positions = positions
      this.dateProfile = dateProfile
      this.slatMetas = slatMetas
    }
    TimeColsSlatsCoords.prototype.safeComputeTop = function (date) {
      var dateProfile = this.dateProfile
      if (rangeContainsMarker(dateProfile.currentRange, date)) {
        var startOfDayDate = startOfDay(date)
        var timeMs = date.valueOf() - startOfDayDate.valueOf()
        if (timeMs >= asRoughMs(dateProfile.slotMinTime) && timeMs < asRoughMs(dateProfile.slotMaxTime)) {
          return this.computeTimeTop(createDuration(timeMs))
        }
      }
      return null
    }
    // Computes the top coordinate, relative to the bounds of the grid, of the given date.
    // A `startOfDayDate` must be given for avoiding ambiguity over how to treat midnight.
    TimeColsSlatsCoords.prototype.computeDateTop = function (when, startOfDayDate) {
      if (!startOfDayDate) {
        startOfDayDate = startOfDay(when)
      }
      return this.computeTimeTop(createDuration(when.valueOf() - startOfDayDate.valueOf()))
    }
    // Computes the top coordinate, relative to the bounds of the grid, of the given time (a Duration).
    // This is a makeshify way to compute the time-top. Assumes all slatMetas dates are uniform.
    // Eventually allow computation with arbirary slat dates.
    TimeColsSlatsCoords.prototype.computeTimeTop = function (duration) {
      var _a = this,
        positions = _a.positions,
        dateProfile = _a.dateProfile,
        slatMetas = _a.slatMetas
      var len = positions.els.length
      // we assume dates are uniform
      var slotDurationMs = slatMetas[1].date.valueOf() - slatMetas[0].date.valueOf()
      // floating-point value of # of slots covered
      var slatCoverage = (duration.milliseconds - asRoughMs(dateProfile.slotMinTime)) / slotDurationMs
      var slatIndex
      var slatRemainder
      // compute a floating-point number for how many slats should be progressed through.
      // from 0 to number of slats (inclusive)
      // constrained because slotMinTime/slotMaxTime might be customized.
      slatCoverage = Math.max(0, slatCoverage)
      slatCoverage = Math.min(len, slatCoverage)
      // an integer index of the furthest whole slat
      // from 0 to number slats (*exclusive*, so len-1)
      slatIndex = Math.floor(slatCoverage)
      slatIndex = Math.min(slatIndex, len - 1)
      // how much further through the slatIndex slat (from 0.0-1.0) must be covered in addition.
      // could be 1.0 if slatCoverage is covering *all* the slots
      slatRemainder = slatCoverage - slatIndex
      return positions.tops[slatIndex] + positions.getHeight(slatIndex) * slatRemainder
    }
    return TimeColsSlatsCoords
  })()

  var TimeColsSlatsBody = /** @class */ (function (_super) {
    __extends(TimeColsSlatsBody, _super)
    function TimeColsSlatsBody() {
      return (_super !== null && _super.apply(this, arguments)) || this
    }
    TimeColsSlatsBody.prototype.render = function () {
      var _a = this,
        props = _a.props,
        context = _a.context
      var options = context.options
      var slatElRefs = props.slatElRefs
      return createElement(
        'tbody',
        null,
        props.slatMetas.map(function (slatMeta, i) {
          var hookProps = {
            time: slatMeta.time,
            date: context.dateEnv.toDate(slatMeta.date),
            view: context.viewApi,
          }
          var classNames = ['fc-timegrid-slot', 'fc-timegrid-slot-lane', slatMeta.isLabeled ? '' : 'fc-timegrid-slot-minor']
          return createElement(
            'tr',
            { key: slatMeta.key, ref: slatElRefs.createRef(slatMeta.key) },
            props.axis && createElement(TimeColsAxisCell, __assign({}, slatMeta)),
            createElement(
              RenderHook,
              {
                hookProps: hookProps,
                classNames: options.slotLaneClassNames,
                content: options.slotLaneContent,
                didMount: options.slotLaneDidMount,
                willUnmount: options.slotLaneWillUnmount,
              },
              function (rootElRef, customClassNames, innerElRef, innerContent) {
                return createElement(
                  'td',
                  {
                    ref: rootElRef,
                    className: classNames.concat(customClassNames).join(' '),
                    'data-time': slatMeta.isoTimeStr,
                  },
                  innerContent
                )
              }
            )
          )
        })
      )
    }
    return TimeColsSlatsBody
  })(BaseComponent)

  /*
    for the horizontal "slats" that run width-wise. Has a time axis on a side. Depends on RTL.
    */
  var TimeColsSlats = /** @class */ (function (_super) {
    __extends(TimeColsSlats, _super)
    function TimeColsSlats() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this
      _this.rootElRef = createRef()
      _this.slatElRefs = new RefMap()
      return _this
    }
    TimeColsSlats.prototype.render = function () {
      var _a = this,
        props = _a.props,
        context = _a.context
      return createElement(
        'div',
        { className: 'fc-timegrid-slots', ref: this.rootElRef },
        createElement(
          'table',
          {
            className: context.theme.getClass('table'),
            style: {
              minWidth: props.tableMinWidth,
              width: props.clientWidth,
              height: props.minHeight,
            },
          },
          props.tableColGroupNode /* relies on there only being a single <col> for the axis */,
          createElement(TimeColsSlatsBody, {
            slatElRefs: this.slatElRefs,
            axis: props.axis,
            slatMetas: props.slatMetas,
          })
        )
      )
    }
    TimeColsSlats.prototype.componentDidMount = function () {
      this.updateSizing()
    }
    TimeColsSlats.prototype.componentDidUpdate = function () {
      this.updateSizing()
    }
    TimeColsSlats.prototype.componentWillUnmount = function () {
      if (this.props.onCoords) {
        this.props.onCoords(null)
      }
    }
    TimeColsSlats.prototype.updateSizing = function () {
      var props = this.props
      if (
        props.onCoords &&
        props.clientWidth !== null // means sizing has stabilized
      ) {
        var rootEl = this.rootElRef.current
        if (rootEl.offsetHeight) {
          // not hidden by css
          props.onCoords(
            new TimeColsSlatsCoords(new PositionCache(this.rootElRef.current, collectSlatEls(this.slatElRefs.currentMap, props.slatMetas), false, true), this.props.dateProfile, props.slatMetas)
          )
        }
      }
    }
    return TimeColsSlats
  })(BaseComponent)
  function collectSlatEls(elMap, slatMetas) {
    return slatMetas.map(function (slatMeta) {
      return elMap[slatMeta.key]
    })
  }

  function splitSegsByCol(segs, colCnt) {
    var segsByCol = []
    var i
    for (i = 0; i < colCnt; i += 1) {
      segsByCol.push([])
    }
    if (segs) {
      for (i = 0; i < segs.length; i += 1) {
        segsByCol[segs[i].col].push(segs[i])
      }
    }
    return segsByCol
  }
  function splitInteractionByCol(ui, colCnt) {
    var byRow = []
    if (!ui) {
      for (var i = 0; i < colCnt; i += 1) {
        byRow[i] = null
      }
    } else {
      for (var i = 0; i < colCnt; i += 1) {
        byRow[i] = {
          affectedInstances: ui.affectedInstances,
          isEvent: ui.isEvent,
          segs: [],
        }
      }
      for (var _i = 0, _a = ui.segs; _i < _a.length; _i++) {
        var seg = _a[_i]
        byRow[seg.col].segs.push(seg)
      }
    }
    return byRow
  }

  // UNFORTUNATELY, assigns results to the top/bottom/level/forwardCoord/backwardCoord props of the actual segs.
  // TODO: return hash (by instanceId) of results
  function computeSegCoords(segs, dayDate, slatCoords, eventMinHeight, eventOrderSpecs) {
    computeSegVerticals(segs, dayDate, slatCoords, eventMinHeight)
    return computeSegHorizontals(segs, eventOrderSpecs) // requires top/bottom from computeSegVerticals
  }
  // For each segment in an array, computes and assigns its top and bottom properties
  function computeSegVerticals(segs, dayDate, slatCoords, eventMinHeight) {
    for (var _i = 0, segs_1 = segs; _i < segs_1.length; _i++) {
      var seg = segs_1[_i]
      seg.top = slatCoords.computeDateTop(seg.start, dayDate)
      seg.bottom = Math.max(
        seg.top + (eventMinHeight || 0), // yuck
        slatCoords.computeDateTop(seg.end, dayDate)
      )
    }
  }
  // Given an array of segments that are all in the same column, sets the backwardCoord and forwardCoord on each.
  // Assumed the segs are already ordered.
  // NOTE: Also reorders the given array by date!
  function computeSegHorizontals(segs, eventOrderSpecs) {
    // IMPORTANT TO CLEAR OLD RESULTS :(
    for (var _i = 0, segs_2 = segs; _i < segs_2.length; _i++) {
      var seg = segs_2[_i]
      seg.level = null
      seg.forwardCoord = null
      seg.backwardCoord = null
      seg.forwardPressure = null
    }
    segs = sortEventSegs(segs, eventOrderSpecs)
    var level0
    var levels = buildSlotSegLevels(segs)
    computeForwardSlotSegs(levels)
    if ((level0 = levels[0])) {
      for (var _a = 0, level0_1 = level0; _a < level0_1.length; _a++) {
        var seg = level0_1[_a]
        computeSlotSegPressures(seg)
      }
      for (var _b = 0, level0_2 = level0; _b < level0_2.length; _b++) {
        var seg = level0_2[_b]
        computeSegForwardBack(seg, 0, 0, eventOrderSpecs)
      }
    }
    return segs
  }
  // Builds an array of segments "levels". The first level will be the leftmost tier of segments if the calendar is
  // left-to-right, or the rightmost if the calendar is right-to-left. Assumes the segments are already ordered by date.
  function buildSlotSegLevels(segs) {
    var levels = []
    var i
    var seg
    var j
    for (i = 0; i < segs.length; i += 1) {
      seg = segs[i]
      // go through all the levels and stop on the first level where there are no collisions
      for (j = 0; j < levels.length; j += 1) {
        if (!computeSlotSegCollisions(seg, levels[j]).length) {
          break
        }
      }
      seg.level = j
      ;(levels[j] || (levels[j] = [])).push(seg)
    }
    return levels
  }
  // Find all the segments in `otherSegs` that vertically collide with `seg`.
  // Append into an optionally-supplied `results` array and return.
  function computeSlotSegCollisions(seg, otherSegs, results) {
    if (results === void 0) {
      results = []
    }
    for (var i = 0; i < otherSegs.length; i += 1) {
      if (isSlotSegCollision(seg, otherSegs[i])) {
        results.push(otherSegs[i])
      }
    }
    return results
  }
  // Do these segments occupy the same vertical space?
  function isSlotSegCollision(seg1, seg2) {
    return seg1.bottom > seg2.top && seg1.top < seg2.bottom
  }
  // For every segment, figure out the other segments that are in subsequent
  // levels that also occupy the same vertical space. Accumulate in seg.forwardSegs
  function computeForwardSlotSegs(levels) {
    var i
    var level
    var j
    var seg
    var k
    for (i = 0; i < levels.length; i += 1) {
      level = levels[i]
      for (j = 0; j < level.length; j += 1) {
        seg = level[j]
        seg.forwardSegs = []
        for (k = i + 1; k < levels.length; k += 1) {
          computeSlotSegCollisions(seg, levels[k], seg.forwardSegs)
        }
      }
    }
  }
  // Figure out which path forward (via seg.forwardSegs) results in the longest path until
  // the furthest edge is reached. The number of segments in this path will be seg.forwardPressure
  function computeSlotSegPressures(seg) {
    var forwardSegs = seg.forwardSegs
    var forwardPressure = 0
    var i
    var forwardSeg
    if (seg.forwardPressure == null) {
      // not already computed
      for (i = 0; i < forwardSegs.length; i += 1) {
        forwardSeg = forwardSegs[i]
        // figure out the child's maximum forward path
        computeSlotSegPressures(forwardSeg)
        // either use the existing maximum, or use the child's forward pressure
        // plus one (for the forwardSeg itself)
        forwardPressure = Math.max(forwardPressure, 1 + forwardSeg.forwardPressure)
      }
      seg.forwardPressure = forwardPressure
    }
  }
  // Calculate seg.forwardCoord and seg.backwardCoord for the segment, where both values range
  // from 0 to 1. If the calendar is left-to-right, the seg.backwardCoord maps to "left" and
  // seg.forwardCoord maps to "right" (via percentage). Vice-versa if the calendar is right-to-left.
  //
  // The segment might be part of a "series", which means consecutive segments with the same pressure
  // who's width is unknown until an edge has been hit. `seriesBackwardPressure` is the number of
  // segments behind this one in the current series, and `seriesBackwardCoord` is the starting
  // coordinate of the first segment in the series.
  function computeSegForwardBack(seg, seriesBackwardPressure, seriesBackwardCoord, eventOrderSpecs) {
    var forwardSegs = seg.forwardSegs
    var i
    if (seg.forwardCoord == null) {
      // not already computed
      if (!forwardSegs.length) {
        // if there are no forward segments, this segment should butt up against the edge
        seg.forwardCoord = 1
      } else {
        // sort highest pressure first
        sortForwardSegs(forwardSegs, eventOrderSpecs)
        // this segment's forwardCoord will be calculated from the backwardCoord of the
        // highest-pressure forward segment.
        computeSegForwardBack(forwardSegs[0], seriesBackwardPressure + 1, seriesBackwardCoord, eventOrderSpecs)
        seg.forwardCoord = forwardSegs[0].backwardCoord
      }
      // calculate the backwardCoord from the forwardCoord. consider the series
      seg.backwardCoord =
        seg.forwardCoord -
        (seg.forwardCoord - seriesBackwardCoord) / // available width for series
          (seriesBackwardPressure + 1) // # of segments in the series
      // use this segment's coordinates to computed the coordinates of the less-pressurized
      // forward segments
      for (i = 0; i < forwardSegs.length; i += 1) {
        computeSegForwardBack(forwardSegs[i], 0, seg.forwardCoord, eventOrderSpecs)
      }
    }
  }
  function sortForwardSegs(forwardSegs, eventOrderSpecs) {
    var objs = forwardSegs.map(buildTimeGridSegCompareObj)
    var specs = [
      // put higher-pressure first
      { field: 'forwardPressure', order: -1 },
      // put segments that are closer to initial edge first (and favor ones with no coords yet)
      { field: 'backwardCoord', order: 1 },
    ].concat(eventOrderSpecs)
    objs.sort(function (obj0, obj1) {
      return compareByFieldSpecs(obj0, obj1, specs)
    })
    return objs.map(function (c) {
      return c._seg
    })
  }
  function buildTimeGridSegCompareObj(seg) {
    var obj = buildSegCompareObj(seg)
    obj.forwardPressure = seg.forwardPressure
    obj.backwardCoord = seg.backwardCoord
    return obj
  }

  var DEFAULT_TIME_FORMAT = createFormatter({
    hour: 'numeric',
    minute: '2-digit',
    meridiem: false,
  })
  var TimeColEvent = /** @class */ (function (_super) {
    __extends(TimeColEvent, _super)
    function TimeColEvent() {
      return (_super !== null && _super.apply(this, arguments)) || this
    }
    TimeColEvent.prototype.render = function () {
      var classNames = ['fc-timegrid-event', 'fc-v-event']
      if (this.props.isCondensed) {
        classNames.push('fc-timegrid-event-condensed')
      }
      return createElement(
        StandardEvent,
        __assign({}, this.props, {
          defaultTimeFormat: DEFAULT_TIME_FORMAT,
          extraClassNames: classNames,
        })
      )
    }
    return TimeColEvent
  })(BaseComponent)

  var TimeColMisc = /** @class */ (function (_super) {
    __extends(TimeColMisc, _super)
    function TimeColMisc() {
      return (_super !== null && _super.apply(this, arguments)) || this
    }
    TimeColMisc.prototype.render = function () {
      var props = this.props
      return createElement(
        DayCellContent,
        {
          date: props.date,
          dateProfile: props.dateProfile,
          todayRange: props.todayRange,
          extraHookProps: props.extraHookProps,
        },
        function (innerElRef, innerContent) {
          if (innerContent && innerContent.props && isNaN(innerContent.props.children)) {
            innerContent.props.children = ''
          }
          return innerContent && createElement('div', { className: 'fc-timegrid-col-misc', ref: innerElRef }, innerContent)
        }
      )
    }
    return TimeColMisc
  })(BaseComponent)

  config.timeGridEventCondensedHeight = 30
  var TimeCol = /** @class */ (function (_super) {
    __extends(TimeCol, _super)
    function TimeCol() {
      return (_super !== null && _super.apply(this, arguments)) || this
    }
    TimeCol.prototype.render = function () {
      var _this = this
      var _a = this,
        props = _a.props,
        context = _a.context
      var isSelectMirror = context.options.selectMirror
      var mirrorSegs = (props.eventDrag && props.eventDrag.segs) || (props.eventResize && props.eventResize.segs) || (isSelectMirror && props.dateSelectionSegs) || []
      var interactionAffectedInstances = (props.eventDrag && props.eventDrag.affectedInstances) || (props.eventResize && props.eventResize.affectedInstances) || {} // TODO: messy way to compute this
      return createElement(
        DayCellRoot,
        {
          elRef: props.elRef,
          date: props.date,
          dateProfile: props.dateProfile,
          todayRange: props.todayRange,
          extraHookProps: props.extraHookProps,
        },
        function (rootElRef, classNames, dataAttrs) {
          return createElement(
            'td',
            __assign(
              {
                ref: rootElRef,
                className: ['fc-timegrid-col'].concat(classNames, props.extraClassNames || []).join(' '),
              },
              dataAttrs,
              props.extraDataAttrs
            ),
            createElement(
              'div',
              { className: 'fc-timegrid-col-frame' },
              createElement(
                'div',
                { className: 'fc-timegrid-col-bg' },
                _this.renderFillSegs(props.businessHourSegs, 'non-business'),
                _this.renderFillSegs(props.bgEventSegs, 'bg-event'),
                _this.renderFillSegs(props.dateSelectionSegs, 'highlight')
              ),
              createElement('div', { className: 'fc-timegrid-col-events' }, _this.renderFgSegs(props.fgEventSegs, interactionAffectedInstances)),
              createElement('div', { className: 'fc-timegrid-col-events' }, _this.renderFgSegs(mirrorSegs, {}, Boolean(props.eventDrag), Boolean(props.eventResize), Boolean(isSelectMirror))),
              createElement('div', { className: 'fc-timegrid-now-indicator-container' }, _this.renderNowIndicator(props.nowIndicatorSegs)),
              createElement(TimeColMisc, {
                date: props.date,
                dateProfile: props.dateProfile,
                todayRange: props.todayRange,
                extraHookProps: props.extraHookProps,
              })
            )
          )
        }
      )
    }
    TimeCol.prototype.renderFgSegs = function (segs, segIsInvisible, isDragging, isResizing, isDateSelecting) {
      var props = this.props
      if (props.forPrint) {
        return this.renderPrintFgSegs(segs)
      }
      if (props.slatCoords) {
        return this.renderPositionedFgSegs(segs, segIsInvisible, isDragging, isResizing, isDateSelecting)
      }
      return null
    }
    TimeCol.prototype.renderPrintFgSegs = function (segs) {
      var _a = this,
        props = _a.props,
        context = _a.context
      // not DRY
      segs = sortEventSegs(segs, context.options.eventOrder)
      return segs.map(function (seg) {
        return createElement(
          'div',
          {
            className: 'fc-timegrid-event-harness',
            key: seg.eventRange.instance.instanceId,
          },
          createElement(
            TimeColEvent,
            __assign(
              {
                seg: seg,
                isDragging: false,
                isResizing: false,
                isDateSelecting: false,
                isSelected: false,
                isCondensed: false,
              },
              getSegMeta(seg, props.todayRange, props.nowDate)
            )
          )
        )
      })
    }
    TimeCol.prototype.renderPositionedFgSegs = function (segs, segIsInvisible, isDragging, isResizing, isDateSelecting) {
      var _this = this
      var _a = this,
        context = _a.context,
        props = _a.props
      // assigns TO THE SEGS THEMSELVES
      // also, receives resorted array
      segs = computeSegCoords(segs, props.date, props.slatCoords, context.options.eventMinHeight, context.options.eventOrder)
      return segs.map(function (seg) {
        var instanceId = seg.eventRange.instance.instanceId
        var isMirror = isDragging || isResizing || isDateSelecting
        var positionCss = isMirror
          ? // will span entire column width
            // also, won't assign z-index, which is good, fc-event-mirror will overpower other harnesses
            __assign({ left: 0, right: 0 }, _this.computeSegTopBottomCss(seg))
          : _this.computeFgSegPositionCss(seg)
        return createElement(
          'div',
          {
            className: 'fc-timegrid-event-harness' + (seg.level > 0 ? ' fc-timegrid-event-harness-inset' : ''),
            key: instanceId,
            style: __assign({ visibility: segIsInvisible[instanceId] ? 'hidden' : '' }, positionCss),
          },
          createElement(
            TimeColEvent,
            __assign(
              {
                seg: seg,
                isDragging: isDragging,
                isResizing: isResizing,
                isDateSelecting: isDateSelecting,
                isSelected: instanceId === props.eventSelection,
                isCondensed: seg.bottom - seg.top < config.timeGridEventCondensedHeight,
              },
              getSegMeta(seg, props.todayRange, props.nowDate)
            )
          )
        )
      })
    }
    TimeCol.prototype.renderFillSegs = function (segs, fillType) {
      var _this = this
      var _a = this,
        context = _a.context,
        props = _a.props
      if (!props.slatCoords) {
        return null
      }
      // BAD: assigns TO THE SEGS THEMSELVES
      computeSegVerticals(segs, props.date, props.slatCoords, context.options.eventMinHeight)
      var children = segs.map(function (seg) {
        return createElement(
          'div',
          {
            key: buildEventRangeKey(seg.eventRange),
            className: 'fc-timegrid-bg-harness',
            style: _this.computeSegTopBottomCss(seg),
          },
          fillType === 'bg-event' ? createElement(BgEvent, __assign({ seg: seg }, getSegMeta(seg, props.todayRange, props.nowDate))) : renderFill(fillType)
        )
      })
      return createElement(Fragment, null, children)
    }
    TimeCol.prototype.renderNowIndicator = function (segs) {
      var _a = this.props,
        slatCoords = _a.slatCoords,
        date = _a.date
      if (!slatCoords) {
        return null
      }
      return segs.map(function (seg, i) {
        return createElement(
          NowIndicatorRoot,
          {
            isAxis: false,
            date: date,
            // key doesn't matter. will only ever be one
            key: i,
          },
          function (rootElRef, classNames, innerElRef, innerContent) {
            return createElement(
              'div',
              {
                ref: rootElRef,
                className: ['fc-timegrid-now-indicator-line'].concat(classNames).join(' '),
                style: { top: slatCoords.computeDateTop(seg.start, date) },
              },
              innerContent
            )
          }
        )
      })
    }
    TimeCol.prototype.computeFgSegPositionCss = function (seg) {
      var _a = this.context,
        isRtl = _a.isRtl,
        options = _a.options
      var shouldOverlap = options.slotEventOverlap
      var backwardCoord = seg.backwardCoord // the left side if LTR. the right side if RTL. floating-point
      var forwardCoord = seg.forwardCoord // the right side if LTR. the left side if RTL. floating-point
      var left // amount of space from left edge, a fraction of the total width
      var right // amount of space from right edge, a fraction of the total width
      if (shouldOverlap) {
        // double the width, but don't go beyond the maximum forward coordinate (1.0)
        forwardCoord = Math.min(1, backwardCoord + (forwardCoord - backwardCoord) * 2)
      }
      if (isRtl) {
        left = 1 - forwardCoord
        right = backwardCoord
      } else {
        left = backwardCoord
        right = 1 - forwardCoord
      }
      var props = {
        zIndex: seg.level + 1,
        left: left * 100 + '%',
        right: right * 100 + '%',
      }
      if (shouldOverlap && seg.forwardPressure) {
        // add padding to the edge so that forward stacked events don't cover the resizer's icon
        props[isRtl ? 'marginLeft' : 'marginRight'] = 10 * 2 // 10 is a guesstimate of the icon's width
      }
      return __assign(__assign({}, props), this.computeSegTopBottomCss(seg))
    }
    TimeCol.prototype.computeSegTopBottomCss = function (seg) {
      return {
        top: seg.top,
        bottom: -seg.bottom,
      }
    }
    return TimeCol
  })(BaseComponent)

  var TimeColsContent = /** @class */ (function (_super) {
    __extends(TimeColsContent, _super)
    function TimeColsContent() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this
      _this.splitFgEventSegs = memoize(splitSegsByCol)
      _this.splitBgEventSegs = memoize(splitSegsByCol)
      _this.splitBusinessHourSegs = memoize(splitSegsByCol)
      _this.splitNowIndicatorSegs = memoize(splitSegsByCol)
      _this.splitDateSelectionSegs = memoize(splitSegsByCol)
      _this.splitEventDrag = memoize(splitInteractionByCol)
      _this.splitEventResize = memoize(splitInteractionByCol)
      _this.rootElRef = createRef()
      _this.cellElRefs = new RefMap()
      return _this
    }
    TimeColsContent.prototype.render = function () {
      var _this = this
      var _a = this,
        props = _a.props,
        context = _a.context
      var nowIndicatorTop = context.options.nowIndicator && props.slatCoords && props.slatCoords.safeComputeTop(props.nowDate) // might return void
      var colCnt = props.cells.length
      var fgEventSegsByRow = this.splitFgEventSegs(props.fgEventSegs, colCnt)
      var bgEventSegsByRow = this.splitBgEventSegs(props.bgEventSegs, colCnt)
      var businessHourSegsByRow = this.splitBusinessHourSegs(props.businessHourSegs, colCnt)
      var nowIndicatorSegsByRow = this.splitNowIndicatorSegs(props.nowIndicatorSegs, colCnt)
      var dateSelectionSegsByRow = this.splitDateSelectionSegs(props.dateSelectionSegs, colCnt)
      var eventDragByRow = this.splitEventDrag(props.eventDrag, colCnt)
      var eventResizeByRow = this.splitEventResize(props.eventResize, colCnt)
      return createElement(
        'div',
        { className: 'fc-timegrid-cols', ref: this.rootElRef },
        createElement(
          'table',
          {
            style: {
              minWidth: props.tableMinWidth,
              width: props.clientWidth,
            },
          },
          props.tableColGroupNode,
          createElement(
            'tbody',
            null,
            createElement(
              'tr',
              null,
              props.axis &&
                createElement(
                  'td',
                  { className: 'fc-timegrid-col fc-timegrid-axis' },
                  createElement(
                    'div',
                    { className: 'fc-timegrid-col-frame' },
                    createElement(
                      'div',
                      { className: 'fc-timegrid-now-indicator-container' },
                      typeof nowIndicatorTop === 'number' &&
                        createElement(NowIndicatorRoot, { isAxis: true, date: props.nowDate }, function (rootElRef, classNames, innerElRef, innerContent) {
                          return createElement(
                            'div',
                            {
                              ref: rootElRef,
                              className: ['fc-timegrid-now-indicator-arrow'].concat(classNames).join(' '),
                              style: { top: nowIndicatorTop },
                            },
                            innerContent
                          )
                        })
                    )
                  )
                ),
              props.cells.map(function (cell, i) {
                return createElement(TimeCol, {
                  key: cell.key,
                  elRef: _this.cellElRefs.createRef(cell.key),
                  dateProfile: props.dateProfile,
                  date: cell.date,
                  nowDate: props.nowDate,
                  todayRange: props.todayRange,
                  extraHookProps: cell.extraHookProps,
                  extraDataAttrs: cell.extraDataAttrs,
                  extraClassNames: cell.extraClassNames,
                  fgEventSegs: fgEventSegsByRow[i],
                  bgEventSegs: bgEventSegsByRow[i],
                  businessHourSegs: businessHourSegsByRow[i],
                  nowIndicatorSegs: nowIndicatorSegsByRow[i],
                  dateSelectionSegs: dateSelectionSegsByRow[i],
                  eventDrag: eventDragByRow[i],
                  eventResize: eventResizeByRow[i],
                  slatCoords: props.slatCoords,
                  eventSelection: props.eventSelection,
                  forPrint: props.forPrint,
                })
              })
            )
          )
        )
      )
    }
    TimeColsContent.prototype.componentDidMount = function () {
      this.updateCoords()
    }
    TimeColsContent.prototype.componentDidUpdate = function () {
      this.updateCoords()
    }
    TimeColsContent.prototype.updateCoords = function () {
      var props = this.props
      if (
        props.onColCoords &&
        props.clientWidth !== null // means sizing has stabilized
      ) {
        props.onColCoords(
          new PositionCache(
            this.rootElRef.current,
            collectCellEls(this.cellElRefs.currentMap, props.cells),
            true, // horizontal
            false
          )
        )
      }
    }
    return TimeColsContent
  })(BaseComponent)
  function collectCellEls(elMap, cells) {
    return cells.map(function (cell) {
      return elMap[cell.key]
    })
  }

  /* A component that renders one or more columns of vertical time slots
    ----------------------------------------------------------------------------------------------------------------------*/
  var TimeCols = /** @class */ (function (_super) {
    __extends(TimeCols, _super)
    function TimeCols() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this
      _this.processSlotOptions = memoize(processSlotOptions)
      _this.state = {
        slatCoords: null,
      }
      _this.handleScrollRequest = function (request) {
        var onScrollTopRequest = _this.props.onScrollTopRequest
        var slatCoords = _this.state.slatCoords
        if (onScrollTopRequest && slatCoords) {
          if (request.time) {
            var top_1 = slatCoords.computeTimeTop(request.time)
            top_1 = Math.ceil(top_1) // zoom can give weird floating-point values. rather scroll a little bit further
            if (top_1) {
              top_1 += 1 // to overcome top border that slots beyond the first have. looks better
            }
            onScrollTopRequest(top_1)
          }
          return true
        }
        return false
      }
      _this.handleColCoords = function (colCoords) {
        _this.colCoords = colCoords
      }
      _this.handleSlatCoords = function (slatCoords) {
        _this.setState({ slatCoords: slatCoords })
        if (_this.props.onSlatCoords) {
          _this.props.onSlatCoords(slatCoords)
        }
      }
      return _this
    }
    TimeCols.prototype.render = function () {
      var _a = this,
        props = _a.props,
        state = _a.state
      return createElement(
        'div',
        {
          className: 'fc-timegrid-body',
          ref: props.rootElRef,
          style: {
            // these props are important to give this wrapper correct dimensions for interactions
            // TODO: if we set it here, can we avoid giving to inner tables?
            width: props.clientWidth,
            minWidth: props.tableMinWidth,
          },
        },
        createElement(TimeColsSlats, {
          axis: props.axis,
          dateProfile: props.dateProfile,
          slatMetas: props.slatMetas,
          clientWidth: props.clientWidth,
          minHeight: props.expandRows ? props.clientHeight : '',
          tableMinWidth: props.tableMinWidth,
          tableColGroupNode: props.axis ? props.tableColGroupNode : null /* axis depends on the colgroup's shrinking */,
          onCoords: this.handleSlatCoords,
        }),
        createElement(TimeColsContent, {
          cells: props.cells,
          axis: props.axis,
          dateProfile: props.dateProfile,
          businessHourSegs: props.businessHourSegs,
          bgEventSegs: props.bgEventSegs,
          fgEventSegs: props.fgEventSegs,
          dateSelectionSegs: props.dateSelectionSegs,
          eventSelection: props.eventSelection,
          eventDrag: props.eventDrag,
          eventResize: props.eventResize,
          todayRange: props.todayRange,
          nowDate: props.nowDate,
          nowIndicatorSegs: props.nowIndicatorSegs,
          clientWidth: props.clientWidth,
          tableMinWidth: props.tableMinWidth,
          tableColGroupNode: props.tableColGroupNode,
          slatCoords: state.slatCoords,
          onColCoords: this.handleColCoords,
          forPrint: props.forPrint,
        })
      )
    }
    TimeCols.prototype.componentDidMount = function () {
      this.scrollResponder = this.context.createScrollResponder(this.handleScrollRequest)
    }
    TimeCols.prototype.componentDidUpdate = function (prevProps) {
      this.scrollResponder.update(prevProps.dateProfile !== this.props.dateProfile)
    }
    TimeCols.prototype.componentWillUnmount = function () {
      this.scrollResponder.detach()
    }
    TimeCols.prototype.positionToHit = function (positionLeft, positionTop) {
      var _a = this.context,
        dateEnv = _a.dateEnv,
        options = _a.options
      var colCoords = this.colCoords
      var dateProfile = this.props.dateProfile
      var slatCoords = this.state.slatCoords
      var _b = this.processSlotOptions(this.props.slotDuration, options.snapDuration),
        snapDuration = _b.snapDuration,
        snapsPerSlot = _b.snapsPerSlot
      var colIndex = colCoords.leftToIndex(positionLeft)
      var slatIndex = slatCoords.positions.topToIndex(positionTop)
      if (colIndex != null && slatIndex != null) {
        var slatTop = slatCoords.positions.tops[slatIndex]
        var slatHeight = slatCoords.positions.getHeight(slatIndex)
        var partial = (positionTop - slatTop) / slatHeight // floating point number between 0 and 1
        var localSnapIndex = Math.floor(partial * snapsPerSlot) // the snap # relative to start of slat
        var snapIndex = slatIndex * snapsPerSlot + localSnapIndex
        var dayDate = this.props.cells[colIndex].date
        var time = addDurations(dateProfile.slotMinTime, multiplyDuration(snapDuration, snapIndex))
        var start = dateEnv.add(dayDate, time)
        var end = dateEnv.add(start, snapDuration)
        return {
          col: colIndex,
          dateSpan: {
            range: { start: start, end: end },
            allDay: false,
          },
          dayEl: colCoords.els[colIndex],
          relativeRect: {
            left: colCoords.lefts[colIndex],
            right: colCoords.rights[colIndex],
            top: slatTop,
            bottom: slatTop + slatHeight,
          },
        }
      }
      return null
    }
    return TimeCols
  })(BaseComponent)
  function processSlotOptions(slotDuration, snapDurationOverride) {
    var snapDuration = snapDurationOverride || slotDuration
    var snapsPerSlot = wholeDivideDurations(slotDuration, snapDuration)
    if (snapsPerSlot === null) {
      snapDuration = slotDuration
      snapsPerSlot = 1
      // TODO: say warning?
    }
    return { snapDuration: snapDuration, snapsPerSlot: snapsPerSlot }
  }

  var DayTimeColsSlicer = /** @class */ (function (_super) {
    __extends(DayTimeColsSlicer, _super)
    function DayTimeColsSlicer() {
      return (_super !== null && _super.apply(this, arguments)) || this
    }
    DayTimeColsSlicer.prototype.sliceRange = function (range, dayRanges) {
      var segs = []
      for (var col = 0; col < dayRanges.length; col += 1) {
        var segRange = intersectRanges(range, dayRanges[col])
        if (segRange) {
          segs.push({
            start: segRange.start,
            end: segRange.end,
            isStart: segRange.start.valueOf() === range.start.valueOf(),
            isEnd: segRange.end.valueOf() === range.end.valueOf(),
            col: col,
          })
        }
      }
      return segs
    }
    return DayTimeColsSlicer
  })(Slicer)

  var DayTimeCols = /** @class */ (function (_super) {
    __extends(DayTimeCols, _super)
    function DayTimeCols() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this
      _this.buildDayRanges = memoize(buildDayRanges)
      _this.slicer = new DayTimeColsSlicer()
      _this.timeColsRef = createRef()
      _this.handleRootEl = function (rootEl) {
        if (rootEl) {
          _this.context.registerInteractiveComponent(_this, { el: rootEl })
        } else {
          _this.context.unregisterInteractiveComponent(_this)
        }
      }
      return _this
    }
    DayTimeCols.prototype.render = function () {
      var _this = this
      var _a = this,
        props = _a.props,
        context = _a.context
      var dateProfile = props.dateProfile,
        dayTableModel = props.dayTableModel
      var isNowIndicator = context.options.nowIndicator
      var dayRanges = this.buildDayRanges(dayTableModel, dateProfile, context.dateEnv)
      // give it the first row of cells
      // TODO: would move this further down hierarchy, but sliceNowDate needs it
      return createElement(NowTimer, { unit: isNowIndicator ? 'minute' : 'day' }, function (nowDate, todayRange) {
        return createElement(
          TimeCols,
          __assign({ ref: _this.timeColsRef, rootElRef: _this.handleRootEl }, _this.slicer.sliceProps(props, dateProfile, null, context, dayRanges), {
            forPrint: props.forPrint,
            axis: props.axis,
            dateProfile: dateProfile,
            slatMetas: props.slatMetas,
            slotDuration: props.slotDuration,
            cells: dayTableModel.cells[0],
            tableColGroupNode: props.tableColGroupNode,
            tableMinWidth: props.tableMinWidth,
            clientWidth: props.clientWidth,
            clientHeight: props.clientHeight,
            expandRows: props.expandRows,
            nowDate: nowDate,
            nowIndicatorSegs: isNowIndicator && _this.slicer.sliceNowDate(nowDate, context, dayRanges),
            todayRange: todayRange,
            onScrollTopRequest: props.onScrollTopRequest,
            onSlatCoords: props.onSlatCoords,
          })
        )
      })
    }
    DayTimeCols.prototype.queryHit = function (positionLeft, positionTop) {
      var rawHit = this.timeColsRef.current.positionToHit(positionLeft, positionTop)
      if (rawHit) {
        return {
          component: this,
          dateSpan: rawHit.dateSpan,
          dayEl: rawHit.dayEl,
          rect: {
            left: rawHit.relativeRect.left,
            right: rawHit.relativeRect.right,
            top: rawHit.relativeRect.top,
            bottom: rawHit.relativeRect.bottom,
          },
          layer: 0,
        }
      }
      return null
    }
    return DayTimeCols
  })(DateComponent)
  function buildDayRanges(dayTableModel, dateProfile, dateEnv) {
    var ranges = []
    for (var _i = 0, _a = dayTableModel.headerDates; _i < _a.length; _i++) {
      var date = _a[_i]
      ranges.push({
        start: dateEnv.add(date, dateProfile.slotMinTime),
        end: dateEnv.add(date, dateProfile.slotMaxTime),
      })
    }
    return ranges
  }

  // potential nice values for the slot-duration and interval-duration
  // from largest to smallest
  var STOCK_SUB_DURATIONS = [{ hours: 1 }, { minutes: 30 }, { minutes: 15 }, { seconds: 30 }, { seconds: 15 }]
  function buildSlatMetas(slotMinTime, slotMaxTime, explicitLabelInterval, slotDuration, dateEnv) {
    var dayStart = new Date(0)
    var slatTime = slotMinTime
    var slatIterator = createDuration(0)
    var labelInterval = explicitLabelInterval || computeLabelInterval(slotDuration)
    var metas = []
    while (asRoughMs(slatTime) < asRoughMs(slotMaxTime)) {
      var date = dateEnv.add(dayStart, slatTime)
      var isLabeled = wholeDivideDurations(slatIterator, labelInterval) !== null
      metas.push({
        date: date,
        time: slatTime,
        key: date.toISOString(),
        isoTimeStr: formatIsoTimeString(date),
        isLabeled: isLabeled,
      })
      slatTime = addDurations(slatTime, slotDuration)
      slatIterator = addDurations(slatIterator, slotDuration)
    }
    return metas
  }
  // Computes an automatic value for slotLabelInterval
  function computeLabelInterval(slotDuration) {
    var i
    var labelInterval
    var slotsPerLabel
    // find the smallest stock label interval that results in more than one slots-per-label
    for (i = STOCK_SUB_DURATIONS.length - 1; i >= 0; i -= 1) {
      labelInterval = createDuration(STOCK_SUB_DURATIONS[i])
      slotsPerLabel = wholeDivideDurations(labelInterval, slotDuration)
      if (slotsPerLabel !== null && slotsPerLabel > 1) {
        return labelInterval
      }
    }
    return slotDuration // fall back
  }

  var DayTimeColsView = /** @class */ (function (_super) {
    __extends(DayTimeColsView, _super)
    function DayTimeColsView() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this
      _this.buildTimeColsModel = memoize(buildTimeColsModel)
      _this.buildSlatMetas = memoize(buildSlatMetas)
      return _this
    }
    DayTimeColsView.prototype.render = function () {
      var _this = this
      var _a = this.context,
        options = _a.options,
        dateEnv = _a.dateEnv,
        dateProfileGenerator = _a.dateProfileGenerator
      var props = this.props
      var dateProfile = props.dateProfile
      var dayTableModel = this.buildTimeColsModel(dateProfile, dateProfileGenerator)
      var splitProps = this.allDaySplitter.splitProps(props)
      var slatMetas = this.buildSlatMetas(dateProfile.slotMinTime, dateProfile.slotMaxTime, options.slotLabelInterval, options.slotDuration, dateEnv)
      var dayMinWidth = options.dayMinWidth
      var hasAttachedAxis = !dayMinWidth
      var hasDetachedAxis = dayMinWidth
      var headerContent =
        options.dayHeaders &&
        createElement(DayHeader, {
          dates: dayTableModel.headerDates,
          dateProfile: dateProfile,
          datesRepDistinctDays: true,
          renderIntro: hasAttachedAxis ? this.renderHeadAxis : null,
        })
      var allDayContent =
        options.allDaySlot !== false &&
        function (contentArg) {
          return createElement(
            DayTable,
            __assign(
              {},
              splitProps.allDay,
              {
                dateProfile: dateProfile,
                dayTableModel: dayTableModel,
                nextDayThreshold: options.nextDayThreshold,
                tableMinWidth: contentArg.tableMinWidth,
                colGroupNode: contentArg.tableColGroupNode,
                renderRowIntro: hasAttachedAxis ? _this.renderTableRowAxis : null,
                showWeekNumbers: false,
                expandRows: false,
                headerAlignElRef: _this.headerElRef,
                clientWidth: contentArg.clientWidth,
                clientHeight: contentArg.clientHeight,
                forPrint: props.forPrint,
              },
              _this.getAllDayMaxEventProps()
            )
          )
        }
      var timeGridContent = function (contentArg) {
        return createElement(
          DayTimeCols,
          __assign({}, splitProps.timed, {
            dayTableModel: dayTableModel,
            dateProfile: dateProfile,
            axis: hasAttachedAxis,
            slotDuration: options.slotDuration,
            slatMetas: slatMetas,
            forPrint: props.forPrint,
            tableColGroupNode: contentArg.tableColGroupNode,
            tableMinWidth: contentArg.tableMinWidth,
            clientWidth: contentArg.clientWidth,
            clientHeight: contentArg.clientHeight,
            onSlatCoords: _this.handleSlatCoords,
            expandRows: contentArg.expandRows,
            onScrollTopRequest: _this.handleScrollTopRequest,
          })
        )
      }
      return hasDetachedAxis
        ? this.renderHScrollLayout(headerContent, allDayContent, timeGridContent, dayTableModel.colCnt, dayMinWidth, slatMetas, this.state.slatCoords)
        : this.renderSimpleLayout(headerContent, allDayContent, timeGridContent)
    }
    return DayTimeColsView
  })(TimeColsView)
  function buildTimeColsModel(dateProfile, dateProfileGenerator) {
    var daySeries = new DaySeriesModel(dateProfile.renderRange, dateProfileGenerator)
    return new DayTableModel(daySeries, false)
  }

  var OPTION_REFINERS$2 = {
    allDaySlot: Boolean,
  }

  var timeGridPlugin = createPlugin({
    initialView: 'timeGridWeek',
    optionRefiners: OPTION_REFINERS$2,
    views: {
      timeGrid: {
        component: DayTimeColsView,
        usesMinMaxTime: true,
        allDaySlot: true,
        slotDuration: '00:30:00',
        slotEventOverlap: true,
      },
      timeGridDay: {
        type: 'timeGrid',
        duration: { days: 1 },
      },
      timeGridWeek: {
        type: 'timeGrid',
        duration: { weeks: 1 },
      },
    },
  })

  var ListViewHeaderRow = /** @class */ (function (_super) {
    __extends(ListViewHeaderRow, _super)
    function ListViewHeaderRow() {
      return (_super !== null && _super.apply(this, arguments)) || this
    }
    ListViewHeaderRow.prototype.render = function () {
      var _a = this.props,
        dayDate = _a.dayDate,
        todayRange = _a.todayRange
      var _b = this.context,
        theme = _b.theme,
        dateEnv = _b.dateEnv,
        options = _b.options,
        viewApi = _b.viewApi
      var dayMeta = getDateMeta(dayDate, todayRange)
      // will ever be falsy?
      var text = options.listDayFormat ? dateEnv.format(dayDate, options.listDayFormat) : ''
      // will ever be falsy? also, BAD NAME "alt"
      var sideText = options.listDaySideFormat ? dateEnv.format(dayDate, options.listDaySideFormat) : ''
      var navLinkData = options.navLinks ? buildNavLinkData(dayDate) : null
      var hookProps = __assign(
        {
          date: dateEnv.toDate(dayDate),
          view: viewApi,
          text: text,
          sideText: sideText,
          navLinkData: navLinkData,
        },
        dayMeta
      )
      var classNames = ['fc-list-day'].concat(getDayClassNames(dayMeta, theme))
      // TODO: make a reusable HOC for dayHeader (used in daygrid/timegrid too)
      return createElement(
        RenderHook,
        {
          hookProps: hookProps,
          classNames: options.dayHeaderClassNames,
          content: options.dayHeaderContent,
          defaultContent: renderInnerContent$4,
          didMount: options.dayHeaderDidMount,
          willUnmount: options.dayHeaderWillUnmount,
        },
        function (rootElRef, customClassNames, innerElRef, innerContent) {
          return createElement(
            'tr',
            {
              ref: rootElRef,
              className: classNames.concat(customClassNames).join(' '),
              'data-date': formatDayString(dayDate),
            },
            createElement(
              'th',
              { colSpan: 3 },
              createElement(
                'div',
                {
                  className: 'fc-list-day-cushion ' + theme.getClass('tableCellShaded'),
                  ref: innerElRef,
                },
                innerContent
              )
            )
          )
        }
      )
    }
    return ListViewHeaderRow
  })(BaseComponent)
  function renderInnerContent$4(props) {
    var navLinkAttrs = props.navLinkData // is there a type for this?
      ? { 'data-navlink': props.navLinkData, tabIndex: 0 }
      : {}
    return createElement(
      Fragment,
      null,
      props.text && createElement('a', __assign({ className: 'fc-list-day-text' }, navLinkAttrs), props.text),
      props.sideText && createElement('a', __assign({ className: 'fc-list-day-side-text' }, navLinkAttrs), props.sideText)
    )
  }

  var DEFAULT_TIME_FORMAT$1 = createFormatter({
    hour: 'numeric',
    minute: '2-digit',
    meridiem: 'short',
  })
  var ListViewEventRow = /** @class */ (function (_super) {
    __extends(ListViewEventRow, _super)
    function ListViewEventRow() {
      return (_super !== null && _super.apply(this, arguments)) || this
    }
    ListViewEventRow.prototype.render = function () {
      var _a = this,
        props = _a.props,
        context = _a.context
      var seg = props.seg
      var timeFormat = context.options.eventTimeFormat || DEFAULT_TIME_FORMAT$1
      return createElement(
        EventRoot,
        {
          seg: seg,
          timeText: '', // BAD. because of all-day content
          disableDragging: true,
          disableResizing: true,
          defaultContent: renderEventInnerContent,
          isPast: props.isPast,
          isFuture: props.isFuture,
          isToday: props.isToday,
          isSelected: props.isSelected,
          isDragging: props.isDragging,
          isResizing: props.isResizing,
          isDateSelecting: props.isDateSelecting,
        },
        function (rootElRef, classNames, innerElRef, innerContent, hookProps) {
          return createElement(
            'tr',
            {
              className: ['fc-list-event', hookProps.event.url ? 'fc-event-forced-url' : ''].concat(classNames).join(' '),
              ref: rootElRef,
            },
            buildTimeContent(seg, timeFormat, context),
            createElement(
              'td',
              { className: 'fc-list-event-graphic' },
              createElement('span', {
                className: 'fc-list-event-dot',
                style: {
                  borderColor: hookProps.borderColor || hookProps.backgroundColor,
                },
              })
            ),
            createElement('td', { className: 'fc-list-event-title', ref: innerElRef }, innerContent)
          )
        }
      )
    }
    return ListViewEventRow
  })(BaseComponent)
  function renderEventInnerContent(props) {
    var event = props.event
    var url = event.url
    var anchorAttrs = url ? { href: url } : {}
    return createElement('a', __assign({}, anchorAttrs), event.title)
  }
  function buildTimeContent(seg, timeFormat, context) {
    var options = context.options
    if (options.displayEventTime !== false) {
      var eventDef = seg.eventRange.def
      var eventInstance = seg.eventRange.instance
      var doAllDay = false
      var timeText = void 0
      if (eventDef.allDay) {
        doAllDay = true
      } else if (isMultiDayRange(seg.eventRange.range)) {
        // TODO: use (!isStart || !isEnd) instead?
        if (seg.isStart) {
          timeText = buildSegTimeText(seg, timeFormat, context, null, null, eventInstance.range.start, seg.end)
        } else if (seg.isEnd) {
          timeText = buildSegTimeText(seg, timeFormat, context, null, null, seg.start, eventInstance.range.end)
        } else {
          doAllDay = true
        }
      } else {
        timeText = buildSegTimeText(seg, timeFormat, context)
      }
      if (doAllDay) {
        var hookProps = {
          text: context.options.allDayText,
          view: context.viewApi,
        }
        return createElement(
          RenderHook,
          {
            hookProps: hookProps,
            classNames: options.allDayClassNames,
            content: options.allDayContent,
            defaultContent: renderAllDayInner$1,
            didMount: options.allDayDidMount,
            willUnmount: options.allDayWillUnmount,
          },
          function (rootElRef, classNames, innerElRef, innerContent) {
            return createElement(
              'td',
              {
                className: ['fc-list-event-time'].concat(classNames).join(' '),
                ref: rootElRef,
              },
              innerContent
            )
          }
        )
      }
      return createElement('td', { className: 'fc-list-event-time' }, timeText)
    }
    return null
  }
  function renderAllDayInner$1(hookProps) {
    return hookProps.text
  }

  /*
    Responsible for the scroller, and forwarding event-related actions into the "grid".
    */
  var ListView = /** @class */ (function (_super) {
    __extends(ListView, _super)
    function ListView() {
      var _this = (_super !== null && _super.apply(this, arguments)) || this
      _this.computeDateVars = memoize(computeDateVars)
      _this.eventStoreToSegs = memoize(_this._eventStoreToSegs)
      _this.setRootEl = function (rootEl) {
        if (rootEl) {
          _this.context.registerInteractiveComponent(_this, {
            el: rootEl,
          })
        } else {
          _this.context.unregisterInteractiveComponent(_this)
        }
      }
      return _this
    }
    ListView.prototype.render = function () {
      var _this = this
      var _a = this,
        props = _a.props,
        context = _a.context
      var extraClassNames = ['fc-list', context.theme.getClass('table'), context.options.stickyHeaderDates !== false ? 'fc-list-sticky' : '']
      var _b = this.computeDateVars(props.dateProfile),
        dayDates = _b.dayDates,
        dayRanges = _b.dayRanges
      var eventSegs = this.eventStoreToSegs(props.eventStore, props.eventUiBases, dayRanges)
      return createElement(ViewRoot, { viewSpec: context.viewSpec, elRef: this.setRootEl }, function (rootElRef, classNames) {
        return createElement(
          'div',
          {
            ref: rootElRef,
            className: extraClassNames.concat(classNames).join(' '),
          },
          createElement(
            Scroller,
            {
              liquid: !props.isHeightAuto,
              overflowX: props.isHeightAuto ? 'visible' : 'hidden',
              overflowY: props.isHeightAuto ? 'visible' : 'auto',
            },
            eventSegs.length > 0 ? _this.renderSegList(eventSegs, dayDates) : _this.renderEmptyMessage()
          )
        )
      })
    }
    ListView.prototype.renderEmptyMessage = function () {
      var _a = this.context,
        options = _a.options,
        viewApi = _a.viewApi
      var hookProps = {
        text: options.noEventsText,
        view: viewApi,
      }
      return createElement(
        RenderHook,
        {
          hookProps: hookProps,
          classNames: options.noEventsClassNames,
          content: options.noEventsContent,
          defaultContent: renderNoEventsInner,
          didMount: options.noEventsDidMount,
          willUnmount: options.noEventsWillUnmount,
        },
        function (rootElRef, classNames, innerElRef, innerContent) {
          return createElement(
            'div',
            {
              className: ['fc-list-empty'].concat(classNames).join(' '),
              ref: rootElRef,
            },
            createElement('div', { className: 'fc-list-empty-cushion', ref: innerElRef }, innerContent)
          )
        }
      )
    }
    ListView.prototype.renderSegList = function (allSegs, dayDates) {
      var _a = this.context,
        theme = _a.theme,
        options = _a.options
      var segsByDay = groupSegsByDay(allSegs) // sparse array
      return createElement(NowTimer, { unit: 'day' }, function (nowDate, todayRange) {
        var innerNodes = []
        for (var dayIndex = 0; dayIndex < segsByDay.length; dayIndex += 1) {
          var daySegs = segsByDay[dayIndex]
          if (daySegs) {
            // sparse array, so might be undefined
            var dayStr = dayDates[dayIndex].toISOString()
            // append a day header
            innerNodes.push(
              createElement(ListViewHeaderRow, {
                key: dayStr,
                dayDate: dayDates[dayIndex],
                todayRange: todayRange,
              })
            )
            daySegs = sortEventSegs(daySegs, options.eventOrder)
            for (var _i = 0, daySegs_1 = daySegs; _i < daySegs_1.length; _i++) {
              var seg = daySegs_1[_i]
              innerNodes.push(
                createElement(
                  ListViewEventRow,
                  __assign(
                    {
                      key: dayStr + ':' + seg.eventRange.instance.instanceId /* are multiple segs for an instanceId */,
                      seg: seg,
                      isDragging: false,
                      isResizing: false,
                      isDateSelecting: false,
                      isSelected: false,
                    },
                    getSegMeta(seg, todayRange, nowDate)
                  )
                )
              )
            }
          }
        }
        return createElement('table', { className: 'fc-list-table ' + theme.getClass('table') }, createElement('tbody', null, innerNodes))
      })
    }
    ListView.prototype._eventStoreToSegs = function (eventStore, eventUiBases, dayRanges) {
      return this.eventRangesToSegs(sliceEventStore(eventStore, eventUiBases, this.props.dateProfile.activeRange, this.context.options.nextDayThreshold).fg, dayRanges)
    }
    ListView.prototype.eventRangesToSegs = function (eventRanges, dayRanges) {
      var segs = []
      for (var _i = 0, eventRanges_1 = eventRanges; _i < eventRanges_1.length; _i++) {
        var eventRange = eventRanges_1[_i]
        segs.push.apply(segs, this.eventRangeToSegs(eventRange, dayRanges))
      }
      return segs
    }
    ListView.prototype.eventRangeToSegs = function (eventRange, dayRanges) {
      var dateEnv = this.context.dateEnv
      var nextDayThreshold = this.context.options.nextDayThreshold
      var range = eventRange.range
      var allDay = eventRange.def.allDay
      var dayIndex
      var segRange
      var seg
      var segs = []
      for (dayIndex = 0; dayIndex < dayRanges.length; dayIndex += 1) {
        segRange = intersectRanges(range, dayRanges[dayIndex])
        if (segRange) {
          seg = {
            component: this,
            eventRange: eventRange,
            start: segRange.start,
            end: segRange.end,
            isStart: eventRange.isStart && segRange.start.valueOf() === range.start.valueOf(),
            isEnd: eventRange.isEnd && segRange.end.valueOf() === range.end.valueOf(),
            dayIndex: dayIndex,
          }
          segs.push(seg)
          // detect when range won't go fully into the next day,
          // and mutate the latest seg to the be the end.
          if (!seg.isEnd && !allDay && dayIndex + 1 < dayRanges.length && range.end < dateEnv.add(dayRanges[dayIndex + 1].start, nextDayThreshold)) {
            seg.end = range.end
            seg.isEnd = true
            break
          }
        }
      }
      return segs
    }
    return ListView
  })(DateComponent)
  function renderNoEventsInner(hookProps) {
    return hookProps.text
  }
  function computeDateVars(dateProfile) {
    var dayStart = startOfDay(dateProfile.renderRange.start)
    var viewEnd = dateProfile.renderRange.end
    var dayDates = []
    var dayRanges = []
    while (dayStart < viewEnd) {
      dayDates.push(dayStart)
      dayRanges.push({
        start: dayStart,
        end: addDays(dayStart, 1),
      })
      dayStart = addDays(dayStart, 1)
    }
    return { dayDates: dayDates, dayRanges: dayRanges }
  }
  // Returns a sparse array of arrays, segs grouped by their dayIndex
  function groupSegsByDay(segs) {
    var segsByDay = [] // sparse array
    var i
    var seg
    for (i = 0; i < segs.length; i += 1) {
      seg = segs[i]
      ;(segsByDay[seg.dayIndex] || (segsByDay[seg.dayIndex] = [])).push(seg)
    }
    return segsByDay
  }

  var OPTION_REFINERS$3 = {
    listDayFormat: createFalsableFormatter,
    listDaySideFormat: createFalsableFormatter,
    noEventsClassNames: identity,
    noEventsContent: identity,
    noEventsDidMount: identity,
    noEventsWillUnmount: identity,
  }
  function createFalsableFormatter(input) {
    return input === false ? null : createFormatter(input)
  }

  var listPlugin = createPlugin({
    optionRefiners: OPTION_REFINERS$3,
    views: {
      list: {
        component: ListView,
        buttonTextKey: 'list',
        listDayFormat: { month: 'long', day: 'numeric', year: 'numeric' },
      },
      listDay: {
        type: 'list',
        duration: { days: 1 },
        listDayFormat: { weekday: 'long' },
      },
      listWeek: {
        type: 'list',
        duration: { weeks: 1 },
        listDayFormat: { weekday: 'long' },
        listDaySideFormat: { month: 'long', day: 'numeric', year: 'numeric' },
      },
      listMonth: {
        type: 'list',
        duration: { month: 1 },
        listDaySideFormat: { weekday: 'long' },
      },
      listYear: {
        type: 'list',
        duration: { year: 1 },
        listDaySideFormat: { weekday: 'long' },
      },
    },
  })

  var BootstrapTheme = /** @class */ (function (_super) {
    __extends(BootstrapTheme, _super)
    function BootstrapTheme() {
      return (_super !== null && _super.apply(this, arguments)) || this
    }
    return BootstrapTheme
  })(Theme)
  BootstrapTheme.prototype.classes = {
    root: 'fc-theme-bootstrap',
    table: 'table-bordered',
    tableCellShaded: 'table-active',
    buttonGroup: 'btn-group',
    button: 'btn btn-primary',
    buttonActive: 'active',
    popover: 'popover',
    popoverHeader: 'popover-header',
    popoverContent: 'popover-body',
  }
  BootstrapTheme.prototype.baseIconClass = 'fa'
  BootstrapTheme.prototype.iconClasses = {
    close: 'fa-times',
    prev: 'fa-chevron-left',
    next: 'fa-chevron-right',
    prevYear: 'fa-angle-double-left',
    nextYear: 'fa-angle-double-right',
  }
  BootstrapTheme.prototype.rtlIconClasses = {
    prev: 'fa-chevron-right',
    next: 'fa-chevron-left',
    prevYear: 'fa-angle-double-right',
    nextYear: 'fa-angle-double-left',
  }
  BootstrapTheme.prototype.iconOverrideOption = 'bootstrapFontAwesome' // TODO: make TS-friendly. move the option-processing into this plugin
  BootstrapTheme.prototype.iconOverrideCustomButtonOption = 'bootstrapFontAwesome'
  BootstrapTheme.prototype.iconOverridePrefix = 'fa-'
  var plugin = createPlugin({
    themeClasses: {
      bootstrap: BootstrapTheme,
    },
  })

  // rename this file to options.ts like other packages?
  var OPTION_REFINERS$4 = {
    googleCalendarApiKey: String,
  }

  var EVENT_SOURCE_REFINERS$1 = {
    googleCalendarApiKey: String,
    googleCalendarId: String,
    googleCalendarApiBase: String,
    extraParams: identity,
  }

  // TODO: expose somehow
  var API_BASE = 'https://www.googleapis.com/calendar/v3/calendars'
  var eventSourceDef$3 = {
    parseMeta: function (refined) {
      var googleCalendarId = refined.googleCalendarId
      if (!googleCalendarId && refined.url) {
        googleCalendarId = parseGoogleCalendarId(refined.url)
      }
      if (googleCalendarId) {
        return {
          googleCalendarId: googleCalendarId,
          googleCalendarApiKey: refined.googleCalendarApiKey,
          googleCalendarApiBase: refined.googleCalendarApiBase,
          extraParams: refined.extraParams,
        }
      }
      return null
    },
    fetch: function (arg, onSuccess, onFailure) {
      var _a = arg.context,
        dateEnv = _a.dateEnv,
        options = _a.options
      var meta = arg.eventSource.meta
      var apiKey = meta.googleCalendarApiKey || options.googleCalendarApiKey
      if (!apiKey) {
        onFailure({
          message: 'Specify a googleCalendarApiKey. See http://fullcalendar.io/docs/google_calendar/',
        })
      } else {
        var url = buildUrl(meta)
        // TODO: make DRY with json-feed-event-source
        var extraParams = meta.extraParams
        var extraParamsObj = typeof extraParams === 'function' ? extraParams() : extraParams
        var requestParams_1 = buildRequestParams$1(arg.range, apiKey, extraParamsObj, dateEnv)
        requestJson(
          'GET',
          url,
          requestParams_1,
          function (body, xhr) {
            if (body.error) {
              onFailure({
                message: 'Google Calendar API: ' + body.error.message,
                errors: body.error.errors,
                xhr: xhr,
              })
            } else {
              onSuccess({
                rawEvents: gcalItemsToRawEventDefs(body.items, requestParams_1.timeZone),
                xhr: xhr,
              })
            }
          },
          function (message, xhr) {
            onFailure({ message: message, xhr: xhr })
          }
        )
      }
    },
  }
  function parseGoogleCalendarId(url) {
    var match
    // detect if the ID was specified as a single string.
    // will match calendars like "asdf1234@calendar.google.com" in addition to person email calendars.
    if (/^[^/]+@([^/.]+\.)*(google|googlemail|gmail)\.com$/.test(url)) {
      return url
    }
    if ((match = /^https:\/\/www.googleapis.com\/calendar\/v3\/calendars\/([^/]*)/.exec(url)) || (match = /^https?:\/\/www.google.com\/calendar\/feeds\/([^/]*)/.exec(url))) {
      return decodeURIComponent(match[1])
    }
    return null
  }
  function buildUrl(meta) {
    var apiBase = meta.googleCalendarApiBase
    if (!apiBase) {
      apiBase = API_BASE
    }
    return apiBase + '/' + encodeURIComponent(meta.googleCalendarId) + '/events'
  }
  function buildRequestParams$1(range, apiKey, extraParams, dateEnv) {
    var params
    var startStr
    var endStr
    if (dateEnv.canComputeOffset) {
      // strings will naturally have offsets, which GCal needs
      startStr = dateEnv.formatIso(range.start)
      endStr = dateEnv.formatIso(range.end)
    } else {
      // when timezone isn't known, we don't know what the UTC offset should be, so ask for +/- 1 day
      // from the UTC day-start to guarantee we're getting all the events
      // (start/end will be UTC-coerced dates, so toISOString is okay)
      startStr = addDays(range.start, -1).toISOString()
      endStr = addDays(range.end, 1).toISOString()
    }
    params = __assign(__assign({}, extraParams || {}), {
      key: apiKey,
      timeMin: startStr,
      timeMax: endStr,
      singleEvents: true,
      maxResults: 9999,
    })
    if (dateEnv.timeZone !== 'local') {
      params.timeZone = dateEnv.timeZone
    }
    return params
  }
  function gcalItemsToRawEventDefs(items, gcalTimezone) {
    return items.map(function (item) {
      return gcalItemToRawEventDef(item, gcalTimezone)
    })
  }
  function gcalItemToRawEventDef(item, gcalTimezone) {
    var url = item.htmlLink || null
    // make the URLs for each event show times in the correct timezone
    if (url && gcalTimezone) {
      url = injectQsComponent(url, 'ctz=' + gcalTimezone)
    }
    return {
      id: item.id,
      title: item.summary,
      start: item.start.dateTime || item.start.date,
      end: item.end.dateTime || item.end.date,
      url: url,
      location: item.location,
      description: item.description,
    }
  }
  // Injects a string like "arg=value" into the querystring of a URL
  // TODO: move to a general util file?
  function injectQsComponent(url, component) {
    // inject it after the querystring but before the fragment
    return url.replace(/(\?.*?)?(#|$)/, function (whole, qs, hash) {
      return (qs ? qs + '&' : '?') + component + hash
    })
  }
  var googleCalendarPlugin = createPlugin({
    eventSourceDefs: [eventSourceDef$3],
    optionRefiners: OPTION_REFINERS$4,
    eventSourceRefiners: EVENT_SOURCE_REFINERS$1,
  })

  globalPlugins.push(interactionPlugin, dayGridPlugin, timeGridPlugin, listPlugin, plugin, googleCalendarPlugin)

  exports.BASE_OPTION_DEFAULTS = BASE_OPTION_DEFAULTS
  exports.BASE_OPTION_REFINERS = BASE_OPTION_REFINERS
  exports.BaseComponent = BaseComponent
  exports.BgEvent = BgEvent
  exports.BootstrapTheme = BootstrapTheme
  exports.Calendar = Calendar
  exports.CalendarApi = CalendarApi
  exports.CalendarContent = CalendarContent
  exports.CalendarDataManager = CalendarDataManager
  exports.CalendarDataProvider = CalendarDataProvider
  exports.CalendarRoot = CalendarRoot
  exports.Component = Component
  exports.ContentHook = ContentHook
  exports.CustomContentRenderContext = CustomContentRenderContext
  exports.DateComponent = DateComponent
  exports.DateEnv = DateEnv
  exports.DateProfileGenerator = DateProfileGenerator
  exports.DayCellContent = DayCellContent
  exports.DayCellRoot = DayCellRoot
  exports.DayGridView = DayTableView
  exports.DayHeader = DayHeader
  exports.DaySeriesModel = DaySeriesModel
  exports.DayTable = DayTable
  exports.DayTableModel = DayTableModel
  exports.DayTableSlicer = DayTableSlicer
  exports.DayTimeCols = DayTimeCols
  exports.DayTimeColsSlicer = DayTimeColsSlicer
  exports.DayTimeColsView = DayTimeColsView
  exports.DelayedRunner = DelayedRunner
  exports.Draggable = ExternalDraggable
  exports.ElementDragging = ElementDragging
  exports.ElementScrollController = ElementScrollController
  exports.Emitter = Emitter
  exports.EventApi = EventApi
  exports.EventRoot = EventRoot
  exports.EventSourceApi = EventSourceApi
  exports.FeaturefulElementDragging = FeaturefulElementDragging
  exports.Fragment = Fragment
  exports.Interaction = Interaction
  exports.ListView = ListView
  exports.MountHook = MountHook
  exports.NamedTimeZoneImpl = NamedTimeZoneImpl
  exports.NowIndicatorRoot = NowIndicatorRoot
  exports.NowTimer = NowTimer
  exports.PointerDragging = PointerDragging
  exports.PositionCache = PositionCache
  exports.RefMap = RefMap
  exports.RenderHook = RenderHook
  exports.ScrollController = ScrollController
  exports.ScrollResponder = ScrollResponder
  exports.Scroller = Scroller
  exports.SimpleScrollGrid = SimpleScrollGrid
  exports.Slicer = Slicer
  exports.Splitter = Splitter
  exports.StandardEvent = StandardEvent
  exports.Table = Table
  exports.TableDateCell = TableDateCell
  exports.TableDowCell = TableDowCell
  exports.TableView = TableView
  exports.Theme = Theme
  exports.ThirdPartyDraggable = ThirdPartyDraggable
  exports.TimeCols = TimeCols
  exports.TimeColsSlatsCoords = TimeColsSlatsCoords
  exports.TimeColsView = TimeColsView
  exports.ViewApi = ViewApi
  exports.ViewContextType = ViewContextType
  exports.ViewRoot = ViewRoot
  exports.WeekNumberRoot = WeekNumberRoot
  exports.WindowScrollController = WindowScrollController
  exports.addDays = addDays
  exports.addDurations = addDurations
  exports.addMs = addMs
  exports.addWeeks = addWeeks
  exports.allowContextMenu = allowContextMenu
  exports.allowSelection = allowSelection
  exports.applyMutationToEventStore = applyMutationToEventStore
  exports.applyStyle = applyStyle
  exports.applyStyleProp = applyStyleProp
  exports.asCleanDays = asCleanDays
  exports.asRoughMinutes = asRoughMinutes
  exports.asRoughMs = asRoughMs
  exports.asRoughSeconds = asRoughSeconds
  exports.buildClassNameNormalizer = buildClassNameNormalizer
  exports.buildDayRanges = buildDayRanges
  exports.buildDayTableModel = buildDayTableModel
  exports.buildEventApis = buildEventApis
  exports.buildEventRangeKey = buildEventRangeKey
  exports.buildHashFromArray = buildHashFromArray
  exports.buildNavLinkData = buildNavLinkData
  exports.buildSegCompareObj = buildSegCompareObj
  exports.buildSegTimeText = buildSegTimeText
  exports.buildSlatMetas = buildSlatMetas
  exports.buildTimeColsModel = buildTimeColsModel
  exports.collectFromHash = collectFromHash
  exports.combineEventUis = combineEventUis
  exports.compareByFieldSpec = compareByFieldSpec
  exports.compareByFieldSpecs = compareByFieldSpecs
  exports.compareNumbers = compareNumbers
  exports.compareObjs = compareObjs
  exports.computeEdges = computeEdges
  exports.computeFallbackHeaderFormat = computeFallbackHeaderFormat
  exports.computeHeightAndMargins = computeHeightAndMargins
  exports.computeInnerRect = computeInnerRect
  exports.computeRect = computeRect
  exports.computeSegDraggable = computeSegDraggable
  exports.computeSegEndResizable = computeSegEndResizable
  exports.computeSegStartResizable = computeSegStartResizable
  exports.computeShrinkWidth = computeShrinkWidth
  exports.computeSmallestCellWidth = computeSmallestCellWidth
  exports.computeVisibleDayRange = computeVisibleDayRange
  exports.config = config
  exports.constrainPoint = constrainPoint
  exports.createContext = createContext$1
  exports.createDuration = createDuration
  exports.createElement = createElement
  exports.createEmptyEventStore = createEmptyEventStore
  exports.createEventInstance = createEventInstance
  exports.createEventUi = createEventUi
  exports.createFormatter = createFormatter
  exports.createPlugin = createPlugin
  exports.createRef = createRef
  exports.diffDates = diffDates
  exports.diffDayAndTime = diffDayAndTime
  exports.diffDays = diffDays
  exports.diffPoints = diffPoints
  exports.diffWeeks = diffWeeks
  exports.diffWholeDays = diffWholeDays
  exports.diffWholeWeeks = diffWholeWeeks
  exports.disableCursor = disableCursor
  exports.elementClosest = elementClosest
  exports.elementMatches = elementMatches
  exports.enableCursor = enableCursor
  exports.eventTupleToStore = eventTupleToStore
  exports.filterEventStoreDefs = filterEventStoreDefs
  exports.filterHash = filterHash
  exports.findDirectChildren = findDirectChildren
  exports.findElements = findElements
  exports.flexibleCompare = flexibleCompare
  exports.flushToDom = flushToDom$1
  exports.formatDate = formatDate
  exports.formatDayString = formatDayString
  exports.formatIsoTimeString = formatIsoTimeString
  exports.formatRange = formatRange
  exports.getAllowYScrolling = getAllowYScrolling
  exports.getCanVGrowWithinCell = getCanVGrowWithinCell
  exports.getClippingParents = getClippingParents
  exports.getDateMeta = getDateMeta
  exports.getDayClassNames = getDayClassNames
  exports.getDefaultEventEnd = getDefaultEventEnd
  exports.getElSeg = getElSeg
  exports.getEventClassNames = getEventClassNames
  exports.getIsRtlScrollbarOnLeft = getIsRtlScrollbarOnLeft
  exports.getRectCenter = getRectCenter
  exports.getRelevantEvents = getRelevantEvents
  exports.getScrollGridClassNames = getScrollGridClassNames
  exports.getScrollbarWidths = getScrollbarWidths
  exports.getSectionClassNames = getSectionClassNames
  exports.getSectionHasLiquidHeight = getSectionHasLiquidHeight
  exports.getSegMeta = getSegMeta
  exports.getSlotClassNames = getSlotClassNames
  exports.getStickyFooterScrollbar = getStickyFooterScrollbar
  exports.getStickyHeaderDates = getStickyHeaderDates
  exports.getUnequalProps = getUnequalProps
  exports.globalLocales = globalLocales
  exports.globalPlugins = globalPlugins
  exports.greatestDurationDenominator = greatestDurationDenominator
  exports.guid = guid
  exports.hasBgRendering = hasBgRendering
  exports.hasShrinkWidth = hasShrinkWidth
  exports.identity = identity
  exports.interactionSettingsStore = interactionSettingsStore
  exports.interactionSettingsToStore = interactionSettingsToStore
  exports.intersectRanges = intersectRanges
  exports.intersectRects = intersectRects
  exports.isArraysEqual = isArraysEqual
  exports.isColPropsEqual = isColPropsEqual
  exports.isDateSpansEqual = isDateSpansEqual
  exports.isInt = isInt
  exports.isInteractionValid = isInteractionValid
  exports.isMultiDayRange = isMultiDayRange
  exports.isPropsEqual = isPropsEqual
  exports.isPropsValid = isPropsValid
  exports.isValidDate = isValidDate
  exports.listenBySelector = listenBySelector
  exports.mapHash = mapHash
  exports.memoize = memoize
  exports.memoizeArraylike = memoizeArraylike
  exports.memoizeHashlike = memoizeHashlike
  exports.memoizeObjArg = memoizeObjArg
  exports.mergeEventStores = mergeEventStores
  exports.multiplyDuration = multiplyDuration
  exports.padStart = padStart
  exports.parseBusinessHours = parseBusinessHours
  exports.parseClassNames = parseClassNames
  exports.parseDragMeta = parseDragMeta
  exports.parseEventDef = parseEventDef
  exports.parseFieldSpecs = parseFieldSpecs
  exports.parseMarker = parse
  exports.pointInsideRect = pointInsideRect
  exports.preventContextMenu = preventContextMenu
  exports.preventDefault = preventDefault
  exports.preventSelection = preventSelection
  exports.rangeContainsMarker = rangeContainsMarker
  exports.rangeContainsRange = rangeContainsRange
  exports.rangesEqual = rangesEqual
  exports.rangesIntersect = rangesIntersect
  exports.refineEventDef = refineEventDef
  exports.refineProps = refineProps
  exports.removeElement = removeElement
  exports.removeExact = removeExact
  exports.render = render
  exports.renderChunkContent = renderChunkContent
  exports.renderFill = renderFill
  exports.renderMicroColGroup = renderMicroColGroup
  exports.renderScrollShim = renderScrollShim
  exports.requestJson = requestJson
  exports.sanitizeShrinkWidth = sanitizeShrinkWidth
  exports.setElSeg = setElSeg
  exports.setRef = setRef
  exports.sliceEventStore = sliceEventStore
  exports.sliceEvents = sliceEvents
  exports.sortEventSegs = sortEventSegs
  exports.startOfDay = startOfDay
  exports.translateRect = translateRect
  exports.triggerDateSelect = triggerDateSelect
  exports.unmountComponentAtNode = unmountComponentAtNode$1
  exports.unpromisify = unpromisify
  exports.version = version
  exports.whenTransitionDone = whenTransitionDone
  exports.wholeDivideDurations = wholeDivideDurations

  Object.defineProperty(exports, '__esModule', { value: true })

  exports.globalLocales.push(
    (function () {
      'use strict'

      var zhCn = {
        code: 'zh-cn',
        week: {
          // GB/T 7408-1994《数据元和交换格式·信息交换·日期和时间表示法》与ISO 8601:1988等效
          dow: 1, // Monday is the first day of the week.
          doy: 4, // The week that contains Jan 4th is the first week of the year.
        },
        buttonText: {
          prev: '上月',
          next: '下月',
          today: '今天',
          month: '月',
          week: '周',
          day: '日',
          list: '日程',
        },
        weekText: '周',
        allDayText: '全天',
        moreLinkText: function (n) {
          return '+' + n + ' 个'
        },
        noEventsText: '没有事件显示',
      }

      return zhCn
    })()
  )

  BASE_OPTION_DEFAULTS.locale = 'zh-cn'

  return exports
})({})
